ocp 认证 047

1. You need to load information about new customers from the NEW_CUST table into the tables CUST
and CUST_SPECIAL. If a new customer has acredit limit greater than 10,000, then the details havetobe
inserted into CUST_SPECIAL. All new customer details have to be inserted into the CUST table.Which
technique should be used to load the data most efficiently?
A. external table
B. the MERGE command
C. the multitable INSERT command
D. INSERT using WITH CHECK OPTION
Answer: C
2. View the Exhibit and examine the description of the CUSTOMERS table.
You want to add a constraint on the CUST_FIRST_NAME column of the CUSTOMERS table so that the
value inserted in the column does not have numbers.
Which SQL statement would you use to accomplish the task?
A. ALTER TABLE CUSTOMERS ADD CONSTRAINT cust_f_name
CHECK(REGEXP_LIKE(cust_first_name,'^AZ'))NOVALIDATE ;
B. ALTER TABLE CUSTOMERS ADD CONSTRAINT cust_f_name
CHECK(REGEXP_LIKE(cust_first_name,'^[09]'))NOVALIDATE ;
C. ALTER TABLE CUSTOMERS
ADD CONSTRAINT cust_f_name CHECK(REGEXP_LIKE(cust_first_name,'[[:alpha:]]'))NOVALIDATE ;
D. ALTER TABLE CUSTOMERS
ADD CONSTRAINT cust_f_name
CHECK(REGEXP_LIKE(cust_first_name,'[[:digit:]]'))NOVALIDATE ;
Answer: C
3. Which three tasks can be performed using regular expression support in Oracle Database 10g?
(Choose three.)
A. It can be used to concatenate two strings.
. It can be used to find out the total length of the string.
C. It can be used for string manipulation and searching operations.
D. It can be used to format the output for a column or expression having string data.
E. It can be used to find and replace operations for a column or expression having string data.
Answer: CDE
4. View the Exhibit and examine the structure of the EMP table which is not partitioned and not an
indexorganized table.
Evaluate the following SQL statement:
ALTER TABLE emp
DROP COLUMN first_name;
Which two statements are true regarding the above command? (Choose two.)
A. The FIRST_NAME columnwould be dropped provided it does not contain any data.
B. The FIRST_NAME columnwould be dropped provided at least one or more columns remain in the
table.
C. The FIRST_NAME columncanberolledback providedtheSETUNUSED optionis addedtothe above
SQL statement.
D. The FIRST_NAME column can be dropped even if it is part of a composite PRIMARY KEY provided
the CASCADE option is used.
Answer: BD
5. Evaluate the CREATE TABLE statement:
CREATETABLE products
(product_id NUMBER(6) CONSTRAINT prod_id_pk PRIMARY KEY,
product_name VARCHAR2(15));
Which statement is true regarding the PROD_ID_PK constraint?
A. It would be created only if a unique index is manually created first.
B. It would be created and would use an automatically created unique index.
C. It would be created and would use an automatically created nonunique index.
D. It would be created and remains in a disabled state because no index is specified in the command.
Answer: B
6. Which two statements are true? (Choose two.)
A. The USER_SYNONYMS view can provide information about private synonyms.
B. The user SYSTEM owns all the base tables and useraccessible views of the data dictionary.
C. All the dynamic performance views prefixed withV$ are accessible to all the database users.
D. The USER_OBJECTS view can provide information about the tables and views created by the user
only.
E. DICTIONARY is a view that contains the names of all the data dictionary views that the user can
access.
Answer:AE
7. View the Exhibit and examine the description of the ORDERS table.
Which twoWHERE clause conditions demonstrate the correct usage of conversion functions? (Choose
two.)
A. WHERE order_date > TO_DATE('JUL 10 2006','MON DD YYYY')
B. WHERE TO_CHAR(order_date,'MON DD YYYY') = 'JAN 20 2003'
C. WHERE order_date > TO_CHAR(ADD_MONTHS(SYSDATE,6),'MON DD YYYY')
D. WHERE order_dateIN ( TO_DATE('Oct21 2003','MonDD YYYY'), TO_CHAR('NOV212003','MonDD
YYYY') )
Answer:AB
8. View the Exhibit and examine the description of the EMPLOYEES table.
Your company decided to give a monthly bonus of $50 to all the employees who have completed five
years in thecompany. Thefollowingstatement is writtento displaytheLAST_NAME, DEPARTMENT_ID,
and the total annual salary:
SELECT last_name, department_id, salary+50*12 "Annual Compensation"
FROM employees
WHERE MONTHS_BETWEEN(SYSDATE, hire_date)/12 >= 5;
When you execute the statement, the "Annual Compensation" is not computed correctly. What changes
would you make to the query to calculate the annual compensation correctly?
A. Change the SELECT clause to SELECT last_name, department_id, salary*12+50 "Annual Compensa
tion".
B. Change the SELECT clause to SELECT last_name, department_id, salary+(50*12) "Annual Compen
sation".
C. Change the SELECT clause
to SELECT last_name, department_id, (salary+50)*12 "Annual Compensation".
D. Change the SELECT clause
to SELECT last_name, department_id, (salary*12)+50 "Annual Compensation".
Answer: C
9. Evaluate the following CREATE SEQUENCE statement: CREATE SEQUENCE seq1
STARTWITH 100 INCREMENT BY 10 MAXVALUE 200 CYCLE NOCACHE; The sequence SEQ1
has generated numbers up to the maximum limit of 200. You issue the following SQL statement:
SELECT seq1.nextval FROM dual; What is displayed by the SELECT statement?
A. 1
B. 10
C. 100
D. an error
Answer:A
10. View the Exhibit and examine the description of the EMPLOYEES table. You want to display the
EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT_ID for all the employees whowork in the same dep
artment and have the same manager as that of the employee having
EMPLOYEE_ID 104. To accomplish the task, you execute the following SQL statement:
SELECT employee_id, first_name, department_id FROM employees WHERE (manager_id, department
_id) =(SELECT department_id, manager_id
FROM employees
WHERE employee_id = 104) AND employee_id <> 104; When you execute
the statement it does not produce the desired output.What is the reason for this?
A. The WHERE clause condition in the main query is using the = comparison operator, instead
of EXISTS.
B. The WHERE clause condition in the main query is using the = comparison operator, instead
of the IN operator.
C. The WHERE clause condition in the main query is using the = comparison operator, instead
of the = ANY operator.
D. The columns in theWHERE clause condition of the main query and the columns selected in the
subquery should be in the same order.
Answer: D
11. View the Exhibit and examine the descriptions of ORDER_ITEMS and ORDERS tables.
You want to display the CUSTOMER_ID, PRODUCT_ID, and total (UNIT_PRICE multiplied by
QUANTITY) for the order placed. You also want to
display the subtotals for a CUSTOMER_ID as well as
for a PRODUCT_ID for the last six months.
Which SQL statement would you execute to get the desired output?
A. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total"
FROM order_items oi JOIN orders o
ON oi.order_id=o.order_id GROUP BY ROLLUP (o.customer_id,oi.product_id) WHERE MONTHS_BET
WEEN(order_date, SYSDATE) <= 6;
B. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total"
FROM order_items oi JOIN orders o
ON oi.order_id=o.order_id GROUP BY ROLLUP (o.customer_id,oi.product_id) HAVING MONTHS_BET
WEEN(order_date, SYSDATE) <= 6;
C. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total"
FROM order_items oi JOIN orders o
ON oi.order_id=o.order_id GROUP BY ROLLUP (o.customer_id, oi.product_id) WHERE MONTHS_BET
WEEN(order_date, SYSDATE) >= 6;
D. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total"
FROM order_items oi JOIN orders o
ON oi.order_id=o.order_id WHERE MONTHS_BETWEEN(order_date, SYSDATE) <= 6
GROUP BY ROLLUP (o.customer_id, oi.product_id) ;
Answer: D
12. View the Exhibit and examine the structure of the EMPLOYEES table.
You want to retrieve hierarchical data of the employees using the topdown hierarchy. Which SQL clause
would let you choose the direction to walk through the hierarchy tree?
A. WHERE
B. HAVING
C. GROUP BY
D. STARTWITH
E. CONNECT BY PRIOR
Answer: E
13. Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)
A. The nested query executes after the outer query returns the row.
B. The nested query executes first and then the outer query executes.
C. The outer query executes only once for the result returned by the inner query.
D. Each row returned by the outer query is evaluated for the results returned by the inner query.
Answer:AD
14. OE and SCOTT are the users in the database. The ORDERS table is owned by OE. Evaluate the
statements issued by the DBA in the following sequence: CREATE ROLE r1;
GRANT SELECT, INSERT
ON oe.orders TO r1; GRANT r1 TO scott; GRANT SELECT ON oe.orders TO scott; REVOKE
SELECT ON oe.orders FROM scott; What would be the outcome after executing the statements?
A. SCOTT would be able to query the OE.ORDERS table.
B. SCOTT would not be able to query the OE.ORDERS table.
C. The REVOKE statement would removetheSELECTprivilegefrom SCOTTas well as from therole R1.
D. The REVOKE statement would give an error because the SELECT privilege has been granted to the
role R1.
Answer:A
15. Evaluate the following SQL statement:
ALTER TABLE hr.emp
SET UNUSED (mgr_id);
Which statement is true regarding the effect of the above SQL statement?
A. Any synonym existing on the EMP table would have to be recreated.
B. Any constraints definedon the MGR_ID columnwould be removed by the above command.
C. Any views created on the EMP table that include the MGR_ID columnwould have to be dropped and
recreated.
D. Any index created on the MGR_ID columnwould continue to exist until the DROP UNUSED
COLUMNS command is executed.
Answer: B
16. EMPDET is an external table containing the columns EMPNO and ENAME.Which command would
work in relation to the EMPDET table?
A. UPDATE empdet
SET ename = 'Amit'
WHERE empno = 1234;
B. DELETE FROM empdet
WHERE ename LIKE 'J%';
C. CREATE VIEW empvu
AS
SELECT * FROM empdept;
D. CREATE INDEX empdet_idx ON empdet(empno);
Answer: C
17. View the Exhibit and examine the structure of the MARKS_DETAILS and MARKStables.
Which is the best method to load data from the MARKS_DETAILStable to the MARKStable?
A. Pivoting INSERT
B. Unconditional INSERT
C. Conditional ALL INSERT
D. Conditional FIRST INSERT
Answer:A
18. View the Exhibit and examine the data in ORDERS and ORDER_ITEMS tables.
You need
to create a view that displays the ORDER ID, ORDER_DATE, and the total number of items in
each order.
Which CREATE VIEW statement would create the view successfully?
A. CREATE OR REPLACE VIEW ord_vu (order_id,order_date)
AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)
"NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BYo.order_id,o.order_date;
B. CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)
"NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BYo.order_id,o.order_date;
C. CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BYo.order_id,o.order_date;
D. CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)||' NO OF ITEMS'
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BYo.order_id,o.order_date WITH CHECK OPTION;
Answer: B
19. View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables.
You executed the following query to display PRODUCT_NAME and the
number of times the product has
been ordered:
SELECT p.product_name, i.item_cnt
FROM (SELECT product_id, COUNT (*) item_cnt
FROM order_items
GROUP BY product_id) i RIGHT OUTER JOIN products p
ON i.product_id = p.product_id; What would happenwhen the above statement is executed?
A. The statement would execute successfully to produce the required output.
B. The statement would not execute because inline views and outer joins cannot be used together.
C. The statement would not execute becausethe ITEM_CNTalias cannot bedisplayedin the outer query.
D. The statement would not execute because the GROUP BY clause cannot be used in the inline view.
Answer:A
20. In which scenario would you use the ROLLUP
operator for expression or columns within a GROUP BY clause?
A. to find the groups forming the subtotal in a row
B. to create groupwise grand totals for the groups specified within a GROUP BY clause
C. to create a grouping
for expressions or columns specified within a GROUP BY clause in one direction, from
right to left for calculating the subtotals
D. to create a grouping for expressions or columns specified within a GROUP BY clause in all possible
directions, which is crosstabular report for calculating the subtotals
Answer: C
21. View the Exhibit and examine the details of the EMPLOYEES table.
Evaluate the following SQL statement:
SELECT phone_number,
REGEXP_REPLACE(phone_number,'([[:digit:]]{3})\.([[:digit:]]{3})\.([[:digit:]]{4})', '(\1) \2\3')
"PHONE NUMBER"
FROM employees; The query was written to format the PHONE_NUMBER for the employees. Which op
tion would be the correct format in the output?
A. xxxxxxxxxx
B. (xxx) xxxxxxx
C. (xxx) xxxxxxx
D. xxx(xxx)xxxx
Answer: C
22. Which statement correctly grants a system privilege?
A. GRANT EXECUTE
ON proc1 TO PUBLIC;
B. GRANT CREATE VIEW ON table1 TO user1;
C. GRANT CREATETABLE TO user1,user2;
D. GRANT CREATE SESSION TO ALL;
Answer: C
23. View the Exhibit and examine the structure of the CUST table.
Evaluate the following SQL statements executed in the given order: ALTER TABLE cust ADD CONSTR
AINT cust_id_pk PRIMARYKEY(cust_id) DEFERRABLE INITIALLY DEFERRED; INSERT INTO cust V
ALUES (1,'RAJ'); row 1 INSERT INTO cust VALUES (1,'SAM'); row 2
COMMIT; SET CONSTRAINT cust_id_pk IMMEDIATE; INSERT INTO cust VALUES (1,'LATA'); row 3
INSERT INTO cust VALUES (2,'KING'); row 4
COMMIT; Which rows would bemade permanent in the CUST table?
A. row 4 only
B. rows 2 and 4
C. rows 3 and 4
D. rows 1 and 4
Answer: C
24. View the Exhibit and examine the structure of the ORDERS table:
The ORDER_ID column has the PRIMARYKEY constraint and CUSTOMER_ID has the NOT NULL
constraint.
Evaluate the following statement:
INSERT INTO (SELECT order_id,order_date,customer_id FROM ORDERS WHERE order_total = 1000
WITH CHECK OPTION)
VALUES (13, SYSDATE, 101);
What would be the outcome of the above INSERT statement?
A. It would execute successfully and the new row would be inserted into a new temporary
table created by the subquery.
B. It would execute successfully and the ORDER_TOTAL columnwould have the value 1000 inserted
automatically in the new row.
C. It would not execute successfully because the ORDER_TOTAL column is not specified in the SELE
CT, list and no value is provided for it.
D. It would not execute successfully because all the
columns from the ORDERS table should have been
included in the SELECT list and values should have been provided for all the columns.
Answer: C
25. View the Exhibit and examine the description of the EMPLOYEES table.
Your company wants to give 5% bonus to all the employees on their annual salary. The SALARY colu
mn
stores the monthly salary for an employee. To check the total for annual salary and bonus amount for
each employee, you issued the following SQL statement:
SELECT first_name, salary, salary*12+salary*12*.05 "ANNUAL SALARY + BONUS"
FROM employees;
Which statement is true regarding the above query?
A. It would execute and give you the desired output.
B. It would not execute because the AS keyword is missing between the column name and the alias.
C. It would not execute because double quotation marks are used instead of single quotation marks for
assigning alias for the third column.
D. It would execute but the result for the third column would be inaccurate because the parentheses for
overriding the precedence of the operator are missing.
Answer:A
26. Which statement is true regarding external tables?
A. The default REJECT LIMIT for external tables is UNLIMITED.
B. The data and metadata for an external table are stored outside the database.
C. ORACLE_LOADER and ORACLE_DATAPUMPhaveexactlythesamefunctionality whenused withan
external table.
D. The CREATE TABLEAS SELECT statement can be used to unload data into regular table in the
database from an external table.
Answer: D
27. View the Exhibit and examine the structure of the PRODUCT_INFORMATION table.
You want to see the product names and the date of expiration of warranty for all the products, if the
product is purchased today. The products that have no warranty should be displayed at the top and the
products withmaximum warranty period should be displayed at the bottom.
Which SQL statement would you execute to fulfill this requirement?
A. SELECT product_name, category_id, SYSDATE+warranty_periodAS "Warranty expire date"
FROM product_information ORDER BY SYSDATEwarranty_period;
B. SELECT product_name, category_id, SYSDATE+warranty_periodAS "Warranty expire date"
FROM product_information ORDER BY SYSDATE+warranty_period;
C. SELECT product_name, category_id, SYSDATE+warranty_periodAS "Warranty expire date"
FROM product_information ORDER BY SYSDATE;
D. SELECT product_name, category_id, SYSDATE+warranty_period "Warranty expire date"
FROM product_information WHERE warranty_period >SYSDATE;
Answer: B
28. Which two statements are true regarding the EXISTS operator used in the correlated subqueries?
(Choose two.)
A. The outer query stops evaluating the result set of the inner query when the first value is found.
B. It is used to test whether the values retrieved by the inner query exist in the result of the outer query.
C. It is used to test whether the values retrieved by the outer query exist in the result set of the inner
query.
D. The outer query continues evaluating the result set of the inner query until all the values in the result
set are processed.
Answer:AC
29. A noncorrelated subquery can be defined as ____.
A. a set of sequential queries, all of which must always return a single value
B. a set of sequential queries, all of which must return values from the same table
C. a SELECT statement that can be embedded in a clause of another SELECT statement only
D. a set of one or more sequential queries in which generally the result of the inner query is used as the
search value in the outer query
Answer: D
30. You need to create a table for a banking application with the following considerations:
1) You want a column in the table to store the duration of the credit period.
2) The data in the column should be stored in a format such that it can be easily added and subtracted
with
3) date type data without using the conversion functions.
4) The maximum period of the credit provision in the application is 30 days.
5) The interest has to be calculated for the number of days an individual has taken a credit for. 31.31。
Which data type would you use for such a column in the table?
A. INTERVAL YEAR TO MONTH
B. INTERVAL DAY TO SECOND
C. TIMESTAMP WITH TIME ZONE
D. TIMESTAMP WITH LOCALTIME ZONE
Answer: B
31. Which statements are true regarding the hierarchical query in Oracle Database 10g? (Choose
all that apply.)
A. It is possible to retrieve data only in topdown hierarchy.
B. It is possible to retrieve data in topdown or bottomup hierarchy.
C. It is possible to remove an entire branch from the output of the hierarchical query.
D. You cannot specify conditions when you retrieve data by using a hierarchical query.
Answer: BC
32. Which two statements are true regarding views?(Choose two.)
A. A simple view in which column aliases have been used cannot be updated.
B. A subquery used in a complex view definition cannot contain group functions or joins.
C. Rows cannot be deleted through a view if the view definition contains the DISTINCT keyword.
D. Rows added through a view are deleted from the table automatically when the view is dropped.
E. The OR REPLACE option is used to change the definition of an existing view without dropping and
recreating it.
F. The WITH CHECK OPTION constraintcanbeusedin aview definitiontorestrict thecolumns displayed
through the view.
Answer: CE
33. View the Exhibit and examine the details of the ORDER_ITEMS table.
Evaluate the following SQL statements:
Statement 1:
SELECT MAX(unit_price*quantity) "Maximum Order"
FROM order_items;
Statement 2:
SELECT MAX(unit_price*quantity) "Maximum Order"
FROM order_items
GROUP BYorder_id;
Which statements are true regarding the output of these SQL statements? (Choose all that apply.)
A. Statement 1 would return only one row of output.
B. Both the statements would give the same output.
C. Statement 2 would return multiple rows of output.
D. Statement 1 would not return any row because the GROUP BY clause is missing.
E. Both statements would ignore NULL values for the UNIT_PRICE and QUANTITY columns.
Answer:ACE
34. View the Exhibit and examine the structure of the ORDERS and ORDER_ITEMS tables.
Evaluate the following SQL statement:
SELECT oi.order_id, product_id, order_date
FROM order_items oi JOIN orders o
USING(order_id);
Which statement is true regarding the execution of this SQL statement?
A. The statement would not execute because table aliases are not allowed in the JOIN clause.
B. The statement would not execute because the table alias prefix is not used in the USING clause.
C. The statement would not execute because all the columns in the SELECT clause are not prefixedwith
table aliases.
D. The statement would not execute because the column part of the USING clause cannot have a
qualifier in the SELECT list.
Answer: D
35. Evaluate the following SQL statements in the given order: DROPTABLE dept;
CREATETABLE dept (deptno NUMBER(3) PRIMARY KEY, deptname VARCHAR2(10));
DROPTABLE dept;
FLASHBACK TABLE dept TO BEFORE DROP; Which statement is true regarding the above FLASHBA
CK operation?
A. It recovers only the first DEPT table.
B. It recovers only the second DEPT table.
C. It does not recover any of the tables because FLASHBACK is not possible in this case.
D. It recovers both the tables but the names would be changed to the ones assigned in the
RECYCLEBIN.
Answer: B
36. Evaluate the following statements:
CREATETABLE digits
(id NUMBER(2),
description VARCHAR2(15));
INSERT INTO digits VALUES (1,'ONE');
UPDATE digits SET description ='TWO'WHERE id=1;
INSERT INTO digits VALUES (2,'TWO');
COMMIT;
DELETE FROM digits;
SELECT description FROM digits
VERSIONS BETWEEN TIMESTAMP MINVALUE AND MAXVALUE;
What would be the outcome of the above query?
A. It would not display any values.
B. It would display the valueTWO once.
C. It would display the value TWO twice.
D. It would display the values ONE, TWO, andTWO.
Answer: C
37. View the Exhibit and examine the description of the ORDERS table.
Evaluate the following SQL statement:
SELECT order_id, customer_id
FROM orders
WHERE order_date > 'June 30 2001';
Which statement is true regarding the execution of this SQL statement?
A. It would not execute because 'June 30 2001' in
theWHERE condition is not enclosed within double quotation marks.
B. It would execute and would return ORDER_ID and CUSTOMER_ID for all records having
ORDER_DATE greater than 'June 30 2001'.
C. It would not execute because 'June 30 2001' in theWHERE condition cannot be converted implicitly a
nd needs the use of the TO_DATE conversion function for proper execution.
D. It would not execute because 'June 30 2001' in theWHERE condition cannot be converted implicitly a
nd needs the use of the TO_CHAR conversion function for proper execution.
Answer: C
38. Which statements are correct regarding indexes? (Choose all that apply.)
A. When a table is dropped, the corresponding indexes are automatically dropped.
B. For each DML operation performed, the corresponding indexes are automatically updated.
C. Indexes should be created on columns that are frequently referenced as part of an expression.
D. A nondeferrable PRIMARY KEY or UNIQUE KEY constraint in a table automatically creates a unique
index.
Answer:ABD
39. View the Exhibit and examine the description of the PRODUCT_INFORMATION table.
Which SQL statement would retrieve from the table the number of
products having LIST_PRICE as NULL?
A. SELECT COUNT(list_price) FROM product_information WHERE list_price IS NULL;
B. SELECT COUNT(list_price) FROM product_information WHERE list_price = NULL;
C. SELECT COUNT(NVL(list_price, 0)) FROM product_information WHERE list_price IS NULL;
D. SELECT COUNT(DISTINCT list_price) FROM product_information WHERE list_price IS NULL;
Answer: C
40. User OE, the owner of the ORDERS table, issues the following command: GRANT SELECT ,INSER
T ON orders TO hr
WITH GRANT OPTION; The user HR issues the following command: GRANT SELECT
ON oe.orders TO scott; Then, OE issues the following command: REVOKEALL
ON orders FROM hr; Which statement is correct?
A. The user SCOTT loses the privilege to select rows from OE.ORDERS.
B. The user SCOTT retains the privilege to select rows from OE.ORDERS.
C. The REVOKE statement generates an error becauseOE has to first revoketheSELECTprivilegefrom
SCOTT.
D. The REVOKE statement generates an error because theALL keyword cannot be used for privileges
that have been granted using WITH GRANT OPTION.
Answer:A
41. View the Exhibit and examine the structure of the EMP table.
You executed the following command to add a primary key to the EMP table:
ALTER TABLE emp
ADD CONSTRAINT emp_id_pk PRIMARY KEY (emp_id)
USING INDEX emp_id_idx;
Which statement is true regarding the effect of the command?
A. The PRIMARY KEY is created along with a new index.
B. The PRIMARY KEY is created and it would use an existing unique index.
C. The PRIMARY KEY would be created in a disabled state because it is using an existing index.
D. The statement produces an error because the USING clause is permitted only in
the CREATE TABLE command.
Answer: B
42. SCOTT is a user in the database. Evaluate the commands issued by the DBA:
1 CREATE ROLE mgr;
2 GRANT CREATE TABLE, SELECT ON oe.orders TO mgr;
3 GRANT mgr, create table TO SCOTT;
Which statement is true regarding the execution of the above commands?
A. Statement 1 would not execute because the WITH GRANT option is missing.
B. Statement 1 would not execute because the IDENTIFIED BY <password> clause is missing.
C. Statement 3 would not execute because role and system privileges cannot be granted together in a
single GRANT statement.
D. Statement 2 would not execute because system privileges and object privileges cannot be granted
together in a single GRANT command.
Answer: D
43. Which statement best describes the GROUPING function?
A. It is used to set the order for the groups to be used for calculating the grand totals and subtotals.
B. It is used to form various groups to calculate total and subtotals created using ROLLUP and CUBE
operators.
C. It is used to identify if the NULL value in an expression is a stored NULL value or created by ROLLUP
or CUBE.
D. Itis used to specifythe concatenatedgroup expressions to beusedfor calculating thegrand totals and
subtotals.
Answer: C
44. View the Exhibit and examine the structure of ORD and ORD_ITEMS tables.
In the ORD table, the PRIMARYKEY is ORD_NO and in the ORD_ITEMS tables the composite
PRIMARY KEY is (ORD_NO, ITEM_NO).
Which two CREATE INDEX statements are valid? (Choose two.)
A. CREATE INDEX ord_idx ON ord(ord_no);
B. CREATE INDEX ord_idx ON ord_items(ord_no);
C. CREATE INDEX ord_idx ON ord_items(item_no);
D. CREATE INDEX ord_idx ON ord,ord_items(ord_no, ord_date,qty);
Answer: BC
45. View the Exhibit and examine the structure of the CUSTOMERS table.
CUSTOMER_VU is a view based on CUSTOMERS_BR1 table which has the same structure as
CUSTOMERS table. CUSTOMERS needs to be updated to reflect the latest information about the
customers.
What is the error in the following MERGE statement?
MERGE INTO customers c
USING customer_vu cv
ON (c.customer_id = cv.customer_id)
WHEN MATCHED THEN UPDATE SET c.customer_id = cv.customer_id,
c.cust_name = cv.cust_name, c.cust_email = cv.cust_email, c.income_level = cv.income_level
WHEN NOT MATCHED THEN INSERT VALUES(cv.customer_id,cv.cust_name,cv.cust_email,cv,incom
e_level) WHERE cv.income_level >100000;
A. The CUSTOMER_ID column cannot be updated.
B. The INTO clause is misplaced in the command.
C. The WHERE clause cannot be used with INSERT.
D. CUSTOMER_VU cannot be used as a data source.
Answer:A
46. Which two statements are true regarding operators used with subqueries? (Choose two.)
A. The NOT IN operator is equivalent to IS NULL.
B. The <ANY operator means less than the maximum.
C. =ANY and =ALL operators have the same functionality.
D. The IN operator cannot be used in singlerow subqueries.
E. The NOT operator can be used with IN, ANY andALLoperators.
Answer: BE
47. Given below are the SQL statements executed in a user session: CREATETABLE product (pcode N
UMBER(2), pname
VARCHAR2(10)); INSERT INTO product VALUES(1, 'pen'); INSERT INTO product VALUES (2,'pencil');
SAVEPOINT
a; UPDATE product SET pcode = 10WHERE pcode = 1; SAVEPOINT b; DELETE FROM product WHE
RE pcode = 2; COMMIT; DELETE FROM product WHERE pcode=10; ROLLBACK TO SAVEPOINT
a; Which statement describes the consequences?
A. No SQL statement would be rolled back.
B. Both the DELETE statements would be rolled back.
C. Only the second DELETE statement would be rolled back.
D. Both the DELETE statements and the UPDATE statement would be rolled back.
Answer:A
48. Evaluate the following CREATETABLE command:
CREATETABLE order_item
(order_id NUMBER(3),
item_id NUMBER(2),
qty NUMBER(4),
CONSTRAINT ord_itm_id_pk
PRIMARY KEY (order_id,item_id) USING INDEX
(CREATE INDEX ord_itm_idx ON order_item(order_id,item_id))); Which statement is true regarding the
above SQL statement?
A. It would execute successfully and only ORD_ITM_IDX index would be created.
B. It would give an error because the USING INDEX clause cannot be used on a composite primary key.
C. It would execute successfully and two indexes ORD_ITM_IDX and ORD_ITM_ID_PK would be
created.
D. It would give an error because the USING INDEX clause is not permitted in the CREATE TABLE
command.
Answer:A
49. View the Exhibit and examine the description of EMPLOYEES and DEPARTMENTS tables.
You want to display the EMPLOYEE_ID, LAST_NAME, and SALARY for the employees who get the
maximum salary in their respective departments. The following SQL statement was written: WITH SELE
CT employee_id, last_name, salary FROM employees WHERE (department_id, salary) = ANY (SELEC
T *
FROM dept_max)
dept_max as ( SELECT d.department_id, max(salary)
FROM departments d JOIN employees j ON (d.department_id = j.department_id)
GROUP BY d.department_id);
Which statement is true regarding the execution and the output of this statement?
A. The statement would execute and give the desired results.
B. The statement would not execute because the = ANY comparison operator is used instead of =.
C. The statement would not execute because the main query block uses the query name before it is eve
n created.
D. The statement would not execute because the comma is missing between the main query block and
the query name.
Answer: C
50. View the Exhibit and examine the data in the DEPARTMENTS tables.
Evaluate the following SQL statement:
SELECT department_id "DEPT_ID", department_name , 'b'
FROM departments
WHERE department_id=90
UNION
SELECT department_id, department_name DEPT_NAME, 'a'
FROM departments
WHERE department_id=10
Which two ORDER BY clauses can be used to sort the output of the above statement? (Choose two.)
A. ORDER BY 3;
B. ORDER BY 'b';
C. ORDER BY DEPT_ID;
D. ORDER BY DEPT_NAME;
Answer:AC
51. View the Exhibit and examine the description of the EMPLOYEES table.
You want to know the EMPLOYEE_ID and FIRST_NAME of all the records in the EMPLOYEES table
wherein the JOB_ID column has ST_CLERK or ST_MAN values, the DEPARTMENT_ID column has
value 30, and the SALARY column has a value greater than 3,000.
Which SQL statement would get you the desired result?
A. SELECT employee_id, first_name FROM employees
WHERE job_id like 'MAN%' OR job_id like 'CLERK%' AND department_id = 30AND salary > 3000;
B. SELECT employee_id, first_name
FROM employees WHERE job_id like '%MAN' OR job_id like '%CLERK'
AND (department_id = 30 OR salary > 3000);
C. SELECT employee_id, first_name
FROM employees WHERE (job_id like '%MAN' AND job_id like '%CLERK')
AND department_id = 30 OR salary > 3000;
D. SELECT employee_id, first_name
FROM employees WHERE (job_id like '%MAN' OR job_id like '%CLERK' ) AND department_id = 30AN
D salary > 3000;
Answer: D
52. View the Exhibit and examine the structure of the ORDERS table.
The ORDERS table belongs to the user OE. HR is another
user in the database. Evaluate the commands issued by users OE and HR in the following order: State
ment 1 by user OE: GRANT SELECT,
UPDATE(customer_id, order_total) ON orders TO hr;
Statement 1 by user HR: SELECT * FROM oe.orders; Statement 2 by user HR: UPDATE oe.orders SET
order_total= 10000; Which statement is true regarding the above commands?
A. Statement 1 by user OE would not work because the statement has to be issued by the DBA.
B. Statement 2 byuser HR would not work becausethegrant is only for SELECTin asubquery of update.
C. There are no errors in the statements issued by OE and HR; all the statements would execute
successfully.
D. Statement 1 by user HR would not work because
SELECT and UPDATE privileges have been granted
only on CUSTOMER_ID and ORDER_TOTAL columns.
Answer: C
53. View the Exhibit and examine the structure of the ORDER_ITEMS table.
You need to display the ORDER_ID of the order that has the highest total value among all the orders in
the ORDER_ITEMS table.
Which query would produce the desired output?
A. SELECT order_id FROM order_items WHERE(unit_price*quantity) = MAX(unit_price*quantity)
GROUP BYorder_id;
B. SELECT order_id FROM order_items WHERE(unit_price*quantity) = (SELECT MAX(unit_price*quant
ity) FROM order_items) GROUP BYorder_id;
C. SELECT
order_id FROM order_items WHERE (unit_price*quantity) = (SELECT MAX(unit_price*quantity)
FROM order_items GROUP BYorder_id);
D. SELECT
order_id FROM order_items GROUP BYorder_id HAVING SUM(unit_price*quantity) =(SELECT MAX(S
UM(unit_price*quantity)) FROM order_items GROUP BY order_id);
Answer: D
54. Which two statements are true about sequences created in a single instance database? (Choose
two.)
A. The numbers generated by a sequence can be used only for one table.
B. DELETE <sequencename> would remove a sequence from the database.
C. CURRVAL is used to refer to the last sequence number that has been generated.
D. When the MAXVALUE limit for a sequence is reached, you can increase the MAXVALUE limit by usin
g the ALTER SEQUENCE statement.
E. When a database instance shuts down abnormally, the sequence numbers that have been cached bu
t not used would be available once again when the database instance is restarted.
Answer: CD
55. View the Exhibit and examine the structure of the EMPLOYEES and DEPARTMENTS tables.
Which SET operator would you use in the blank space in the following SQL statement to list the
departments where all the employees havemanagers? SELECT department_id FROM departments
SELECT department_id FROM employees WHERE manager_id IS NULL;
A. UNION
B. MINUS
C. INTERSECT
D. UNION ALL
Answer: B
56. Which mandatoryclause has to beadded tothefollowing statement tosuccessfullycreateanexternal
table called EMPDET?
CREATETABLE empdet
(empno CHAR(2), ename CHAR(5), deptno NUMBER(4))
ORGANIZATION EXTERNAL
(LOCATION ('emp.dat'));
A. TYPE
B. REJECT LIMIT
C. DEFAULT DIRECTORY
D. ACCESS PARAMETERS
Answer: C
57. View the Exhibit and examine the description of the ORDER_ITEMS and PRODUCT_INFORMATIO
N tables.
The ORDER_ITEM table has records pertaining to details for each product in an order. The
PRODUCT_INFORMATION table has records for all the products available for ordering.
Evaluate the following SQL statement:
SELECT oi.order_id, pi.product_id
FROM order_items oi RIGHT OUTER JOIN product_information pi ON (oi.product_id=pi.product_id); W
hich statement is true regarding the output of this SQL statement?
A. The query would return the ORDER_ID and PRODUCT_ID for only those products that are ordered.
B. The query would return the ORDER_ID and PRODUCT_ID for the products that are ordered as well a
s for the products that have never been ordered.
C. The query would return the ORDER_ID and
PRODUCT_ID for the products that are ordered but not listed in the PRODUCT_INFORMATION table.
D. The query would return the ORDER_ID and
PRODUCT_ID for those products that are ordered as well
as for the products that have never been ordered, and for the products that are not listed in the
PRODUCT_INFORMATION table.
Answer: B
58. Evaluate the following statement:
CREATETABLE bonuses(employee_id NUMBER, bonus NUMBER DEFAULT 100); The
details of all employees who havemade sales need to be inserted into the BONUSES table. You can
obtain the list of employees whohavemadesales based on the SALES_REP_ID columnof
theORDERS table. The human resources manager now decides that employees with a salary of $8,000
or less should receive a bonus. Those who have not made sales get a bonus of 1% of their salary. Thos
e who have made sales get a bonus of 1% of their salary and also a salary increase
of 1%.The salary of each employee can be obtained from the EMPLOYEES table.
Which option should be used to perform this task most efficiently?
A. MERGE
B. Unconditional INSERT
C. Conditional ALL INSERT
D. Conditional FIRST INSERT
Answer:A
59. Which statement is true regarding the ROLLUP operator specified in the GROUP BY clause of a SQ
L statement?
A. It produces only the subtotals for the groups specified in the GROUP BY clause.
B. It produces only the grand totals for the groups specified in the GROUP BY clause.
C. It produces higherlevel subtotals, moving
from right to left through the list of grouping columns specified in the GROUP BY clause.
D. It produces higherlevel subtotals, moving
in all the directions through the list of grouping columns specified in the GROUP BY clause.
Answer: C
60. View the Exhibit and examine DEPARTMENTS and the LOCATIONS tables.
Evaluate the following SQL statement:
SELECT location_id, city FROM locations l WHERE NOT EXISTS (SELECT location_id
FROM departments
WHERE location_id <> l.location_id); This statement was written to display
LOCATION_ID and CITY where there
are no departments located. Which statement is true regarding the execution and
output of the command?
A. The statement would execute and would return the desired results.
B. The statement would not execute because the = comparison operator is missing in theWHERE claus
e of the outer query.
C. Thestatement would executebut it will returnzerorows becausetheWHERE clausein theinner
query should have the = operator instead of <>.
D. The statement would not executebecausetheWHERE clausein theouter queryis missing thecolumn
name for comparisonwith the inner query result.
Answer: C
61. Evaluate the following SQL statements that are issued in the given order: CREATETABLE emp
(emp_no NUMBER(2) CONSTRAINT emp_emp_no_pk PRIMARY KEY, ename VARCHAR2(15), salary
NUMBER(8,2), mgr_no
NUMBER(2) CONSTRAINT emp_mgr_fk REFERENCES emp); ALTER TABLE emp
DISABLE CONSTRAINT emp_emp_no_pk CASCADE; ALTER TABLE emp ENABLE CONSTRAINT
emp_emp_no_pk; What would be the status of the foreign key EMP_MGR_FK?
A. It would be automatically enabled and deferred.
B. It would be automatically enabled and immediate.
C. It would remain disabled and has to be enabled manually using theALTER TABLE command.
D. It would remain disabled and can be enabled only by dropping the foreign key constraint and
recreating it.
Answer: C
62. View the Exhibit and examine the structure of the LOCATIONS and DEPARTMENTS tables.
Which SEToperator should beused in the blank spacein thefollowing
SQLstatement todisplaythecities that have departments located in them?
SELECT location_id, city FROM locations
SELECT location_id, city FROM locations JOIN departments USING(location_id);
A. UNION
B. MINUS
C. INTERSECT
D. UNION ALL
Answer: C
63. Which CREATETABLE statement is valid?
A. CREATE TABLE ord_details (ord_no NUMBER(2) PRIMARY KEY, item_no NUMBER(3) PRIMARY
KEY, ord_date date NOT NULL);
B. CREATE TABLE ord_details
(ord_no NUMBER(2) UNIQUE, NOT NULL,
item_no NUMBER(3),
ord_date date DEFAULT SYSDATE NOT NULL);
C. CREATETABLE ord_details
(ord_no NUMBER(2) ,
item_no NUMBER(3),
ord_date date DEFAULT NOT NULL,
CONSTRAINT ord_uq UNIQUE (ord_no),
CONSTRAINT ord_pk PRIMARYKEY (ord_no));
D. CREATETABLE ord_details
(ord_no NUMBER(2),
item_no NUMBER(3),
ord_date date DEFAULT SYSDATE NOT NULL,
CONSTRAINT ord_pk PRIMARYKEY (ord_no, item_no));
Answer: D
64. Evaluate the following SELECT statement and view the Exhibit to examine its output:
SELECT constraint_name, constraint_type, search_condition, r_constraint_name, delete_rule, status
FROM user_constraints
WHERE table_name = ORDERS
Which two statements are true about the output? (Choose two.)
A. In the second column, indicates a check constraint.
B. The STATUS column indicates whether the table is currently in use.
C. The R_CONSTRAINT_NAME column gives the alternative name for the constraint.
D. The column DELETE_RULE decides the state of the related rows in the child table when the
corresponding row is deleted from the parent table.
Answer:AD
65. Which statement is true regarding Flashback Version Query?
A. It returns versions of rows only within a transaction.
B. It can be used in subqueries contained only in a SELECT statement.
C. It will return an error if the undo retention time is less than the lower bound time or SCN specified.
D. It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
Answer: D
66. Which two statements are true regarding multiplerow subqueries? (Choose two.)
A. They can contain group functions.
B. They always contain a subquery within a subquery.
C. They use the < ALL operator to imply less than the maximum.
D. They can be used to retrievemultiple rows from a single table only.
E. They should not be used with the NOT IN operator in themain query if
NULL is likely to be a part of the
result of the subquery.
Answer:AE
67. View the Exhibit and examine the structure of the ORDERS table.The columns ORDER_MODE and
ORDER_TOTAL have the default values 'direct' and 0 respectively.
Which two INSERT statements are valid? (Choose two.)
A. INSERT INTO orders VALUES (1, '09mar2007', 'online','',1000);
B. INSERT INTO orders (order_id,order_date,order_mode, customer_id,order_total)
VALUES(1,TO_DATE(NULL), 'online', 101, NULL);
C. INSERT INTO (SELECT order_id,order_date,customer_id FROM orders) VALUES (1,'09mar-
2007', 101);
D. INSERT INTO orders VALUES (1,'09mar2007', DEFAULT, 101, DEFAULT);
E. INSERT INTO orders
(order_id,order_date,order_mode,order_total)
VALUES (1,'10mar2007','online',1000);
Answer: CD
68. The following are the steps for a correlated subquery, listed in random order:
1) TheWHERE clause of the outer query is evaluated.
2) The candidate row is fetched from the table specified in the outer query.
3) The procedure is repeated for the subsequent rows of the table, till all the rows are processed.
4) Rows are returned by the inner query, after being evaluated with the value from the candidate row in
the outer query.
Identify the option that contains the steps in the correct sequence in which the Oracle server evaluates a
correlated subquery.
A. 4, 2, 1, 3
B. 4, 1, 2, 3
C. 2, 4, 1, 3
D. 2, 1, 4, 3
Answer: C
69. View the Exhibit and examine the structure of the EMPLOYEES table.
Evaluate the following SQL statement:
SELECT employee_id, last_name, job_id,manager_id
FROM employees
STARTWITH employee_id = 101
CONNECT BYPRIOR employee_id=manager_id;
Which statement is true regarding the output for this command?
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A. It would return a hierarchical output starting
with the employee whose EMPLOYEE_ID is 101, followed
by his or her peers.
B. It would return a hierarchical output starting
with the employee whose EMPLOYEE_ID is 101, followed
by the employee to whom he or she reports.
C. It would return a hierarchical output starting with the employee whose EMPLOYEE_ID is 101,
followed by employees below him or her in the hierarchy.
D. It would return a hierarchical output starting with the employee whose EMPLOYEE_ID is101, followe
d by employees up to one level below him or her in the hierarchy.
Answer: C
70. Which two statements are true about the GROUPING function? (Choose two.)
A. It is used to find the groups forming the subtotal in a row.
B. It is used to identify the NULLvalue in the aggregate functions.
C. It is used to form the group sets involved in generating the totals and subtotals.
D. It can only be used with ROLLUP and CUBE operators specified in the GROUP BY clause.
Answer:AD
71. Given below is a list of datetime data types and examples of
values stored in them in a random order:
Datatype Example
1)INTERVAL YEAR TO MONTH a) '20030415 8:00:00 8:00'
2)TIMESTAMPWITH LOCAL TIME ZONE b) '+06 03:30:16.000000'
3)TIMESTAMP WITH TIME ZONE c) '17JUN03 12.00.00.000000AM'
4)INTERVAL DAY TO SECOND d) '+0200'
Identify the option that correctly matches the data types with the values.
A. 1d, 2c, 3a, 4b
B. 1b, 2a, 3c, 4d
C. 1b, 2a, 3d, 4c
D. 1d, 2c, 3b, 4a
Answer:A
72. View the Exhibit and examine the description of the PRODUCT_INFORMATION table.
You want to display the expiration date of the warranty for a product.Which SQL statement would you
execute?
A. SELECT product_id, SYSDATE + warranty_period
FROM product_information;
B. SELECT product_id, TO_YMINTERVAL(warranty_period)
FROM product_information;
C. SELECT product_id, TO_YMINTERVAL(SYSDATE) + warranty_period
FROM product_information;
D. SELECT product_id, TO_YMINTERVAL(SYSDATE + warranty_period)
FROM product_information;
Answer:A
73. View the Exhibit and examine the structure of the ORDERS table.
NEW_ORDERS is a new table with the columns ORD_ID, ORD_DATE, CUST_ID, and ORD_TOTAL th
at have the same data types and size as the corresponding columns in the ORDERS table.
Evaluate the following INSERT statement:
INSERT INTO new_orders (ord_id, ord_date, cust_id, ord_total)
VALUES(SELECT order_id,order_date,customer_id,order_total
FROM orders WHERE order_date > '31dec1999'); Whywould the INSERT statement fail?
A. because column names in NEW_ORDERS and ORDERS tables do not match
B. because the VALUES clause cannot be used in an INSERT with a subquery
C. because the WHERE clause cannot be used in a subquery embedded in an INSERT statement
D. because the
total number of columns in the NEW_ORDERS table does not match the total number of
columns in the ORDERS table
Answer: B
74. View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERS tables.
You are asked to retrieve the ORDER_ID, PRODUCT_ID, and total price (UNIT_PRICE multiplied by
QUANTITY), where the total price is greater than 50,000.
You executed the following SQL statement:
SELECT order_id, product_id, unit_price*quantity "Total Price"
FROM order_items
WHERE unit_price*quantity > 50000
NATURAL JOIN orders;
Which statement is true regarding the execution of the statement?
A. The statement would execute and provide the desired result.
B. The statement would not execute because the ON keyword is missing in the NATURAL JOIN clause.
C. The statement would not execute because the WHERE clause is before the NATURAL JOIN clause.
D. The statement would not execute because the USING keyword is missing in the NATURAL JOIN
clause.
Answer: C
75. View the Exhibit and examine the structure of the EMPLOYEES table.
You want to know the FIRST_NAME and SALARY for all employees who have the samemanager as tha
t of the employee with the first name 'Neena' and have salary equal to or greater than that of 'Neena'.
Which SQL statement would give you the desired result?
A. SELECT first_name, salary FROM employees WHERE (manager_id, salary) >=ALL (SELECT manag
er_id, salary FROM employees WHERE first_name = 'Neena' ) AND first_name <> 'Neena';
B. SELECT first_name, salary FROM employees WHERE (manager_id, salary) >= (SELECT manager_i
d, salary FROM employees WHERE first_name = 'Neena' ) AND first_name <> 'Neena';
C. SELECT first_name, salary FROM employees WHERE (manager_id, salary) >=ANY (SELECT mana
ger_id, salary FROM employees WHERE first_name = 'Neena' ) AND first_name <> 'Neena';
D. SELECT first_name, salary FROM employees WHERE ( manager_id = (SELECT manager_id FROM
employees WHERE first_name = 'Neena' ) AND salary >= ( SELECT salary
FROM employees WHERE first_name = 'Neena' ) ) AND first_name <> 'Neena';
Answer: D
76. View the Exhibit and examine the structure of the ORDERS table.
Which UPDATE statement is valid?
A. UPDATE orders
SET order_date = '12mar2007',
order_total IS NULL
WHERE order_id = 2455;
B. UPDATE orders
SET order_date = '12mar2007',
order_total = NULL
WHERE order_id = 2455;
C. UPDATE orders
SET order_date = '12mar2007'
AND order_total = TO_NUMBER(NULL)
WHERE order_id = 2455;
D. UPDATE orders
SET order_date = TO_DATE('12mar2007','ddmonyyyy'),
SET order_total = TO_NUMBER(NULL) WHERE order_id = 2455;
Answer: B
77. View the Exhibit and examine the descriptions for ORDERS and ORDER_ITEMS tables.
Evaluate the following SQL statement:
SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "OrderAmount"
FROM order_items oi JOIN orders o
ON oi.order_id = o.order_id
GROUP BY CUBE (o.customer_id, oi.product_id);
Which three statements are true regarding the output of this SQL statement? (Choose three.)
A. It would return the subtotals for the OrderAmount of every CUSTOMER_ID.
B. It would return the subtotals for the OrderAmount for every PRODUCT_ID.
C. It would return the subtotals for the OrderAmount of every PRODUCT_ID and CUSTOMER_ID as on
e group.
D. It would return the subtotals for the OrderAmount of every CUSTOMER_ID and PRODUCT_ID as on
e group.
E. It would return only the grand total for the OrderAmount of every CUSTOMER_ID and
PRODUCT_ID as one group.
Answer:ABD
78. View the Exhibit and examine the details of the EMPLOYEES table.
You want to generate a hierarchical report for all the employees who report to the employee whose
EMPLOYEE_ID is 100.
Which SQL clauses would you require to accomplish the task? (Choose all that apply.)
A. WHERE
B. HAVING
C. GROUP BY
D. STARTWITH
E. CONNECT BY
Answer:ADE
79. View the Exhibit and examine the data in ORDERS_MASTER and MONTHLY_ORDERS tables.
Evaluate the following MERGE statement: MERGE INTO orders_master o
USING monthly_orders m ON (o.order_id = m.order_id) WHEN MATCHED THEN UPDATE SET o.orde
r_total = m.order_total DELETE WHERE (m.order_total IS NULL)
WHEN NOT MATCHED THEN INSERT VALUES (m.order_id,m.order_total); What would be the outcom
e of the above statement?
A. The ORDERS_MASTER table would contain the ORDER_IDs 1 and 2.
B. The ORDERS_MASTER table would contain the ORDER_IDs 1, 2 and 3.
C. The ORDERS_MASTER table would contain the ORDER_IDs 1, 2 and 4.
D. The ORDERS_MASTER table would contain the ORDER_IDs 1, 2, 3 and 4.
Answer: C
80. Evaluate the followingALTER TABLE statement:
ALTER TABLE orders
SET UNUSED order_date;
Which statement is true?
A. The DESCRIBE command would still display the ORDER_DATE column.
B. ROLLBACK can be used to get back the ORDER_DATE column in the ORDERS table.
C. The ORDER_DATE column should be empty for theALTER TABLE command to execute successfull
y.
D. After executing theALTER TABLE command, you can add a new column called ORDER_DATE to the
ORDERS table.
Answer: D
81. View the Exhibit and examine the ORDERS table.
The ORDERS table contains data and all orders have been assigned a customer ID. Which statement
would add a NOT NULL constraint to the CUSTOMER_ID column?
A. ALTER TABLE orders
ADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
B. ALTER TABLE orders
MODIFY customer_id CONSTRAINT orders_cust_id_nn NOT NULL;
C. ALTER TABLE orders
MODIFY CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
D. ALTER TABLE orders
ADD customer_id NUMBER(6) CONSTRAINT orders_cust_id_nn NOT NULL;
Answer: B
82. Which three statements indicate the end of a transaction? (Choose three.)
A. after a COMMIT is issued
B. after a ROLLBACK is issued
C. after a SAVEPOINT is issued
D. after a SELECT statement is issued
E. after a CREATE statement is issued
Answer:ABE
83. View the Exhibit and examine the structure of the ORDERS table.
You have to display ORDER_ID, ORDER_DATE, and CUSTOMER_ID for all those orders that were
placed after the last order placed by the customer whose CUSTOMER_ID is 101.
Which query would give you the desired output?
A. SELECT order_id, order_date FROM orders WHERE order_date >ALL (SELECT MAX(order_date)
FROM orders )AND customer_id = 101;
B. SELECT order_id, order_date FROM orders WHERE order_date >ANY (SELECT order_date
FROM orders WHERE customer_id = 101);
C. SELECT order_id, order_date FROM orders WHERE order_date >ALL (SELECT order_date
FROM orders WHERE customer_id = 101);
D. SELECT order_id, order_date FROM orders WHERE order_date IN (SELECT order_date
FROM orders WHERE customer_id = 101);
Answer: C
84. You need to create a table with the following column specifications:
Employee ID (numeric data type) for each employee
Employee Name, (character data type) which stores the employee name
Hire date, to store the date when the employee joined the organization
Status (character data type). It should contain the value if no data is entered.
Resume (character large object [CLOB] data type), which would contain the resume submitted by the
employee
Which is the correct syntax to create this table?
A. CREATE TABLE EMP_1
(emp_id NUMBER(4),
emp_name VARCHAR2(25),
start_date DATE,
e_status VARCHAR2(10) DEFAULT 'ACTIVE',
resume CLOB(200));
B. CREATE TABLE 1_EMP
(emp_id NUMBER(4),
emp_name VARCHAR2(25),
start_date DATE,
emp_status VARCHAR2(10) DEFAULT 'ACTIVE',
resume CLOB);
C. CREATETABLE 1_EMP
(emp_id NUMBER(4),
emp_name VARCHAR2(25),
start_date DATE,
emp_status VARCHAR2(10) DEFAULT "ACTIVE",
resume CLOB);
D. CREATETABLE EMP_1
(emp_id NUMBER,
emp_name VARCHAR2(25),
start_date DATE,
emp_status VARCHAR2(10) DEFAULT 'ACTIVE',
resume CLOB);
Answer: D
85. The details of the order ID, order date, order total, and customer ID are obtained from the ORDERS
table. If the order value is more than 30000, the details have to be added to the LARGE_ORDERS table.
The order ID, order date, and order total should be added to the ORDER_HISTORY table, and order ID
and customer ID should be added to the CUST_HISTORYtable.Which multitable INSERT statement
would you use?
A. Pivoting INSERT
B. Unconditional INSERT
C. Conditional ALL INSERT
D. Conditional FIRST INSERT
Answer: C
86. View the Exhibit and examine the description of the EMPLOYEES table.
Evaluate the following SQL statement:
SELECT first_name, employee_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) "Review" FROM
employees;
The query was written to retrieve the FIRST_NAME, EMPLOYEE_ID, and review date for employees.
The review date is the first Monday after the completion of six months of the hiring. The
NLS_TERRITORY parameter is set toAMERICA in the session.
Which statement is true regarding this query?
A. The query would execute to give the desired output.
B. The query would not execute because date functions cannot be nested.
C. The query would execute but the output would give review dates that are Sundays.
D. The query would not execute because the NEXT_DAY function accepts a string as argument.
Answer: C
87. View the Exhibit and examine the structure of the EMPLOYEES table. You want to display
all employees and their managers having 100 as the MANAGER_ID. You want the
output in two columns: the first columnwould have the LAST_NAME of the managers and the second
columnwould have LAST_NAME of the employees. Which SQL statement would you execute?
A. SELECT m.last_name "Manager", e.last_name "Employee"
FROM employees m JOIN employees e
ON m.employee_id = e.manager_id
WHERE m.manager_id=100;
B. SELECT m.last_name "Manager", e.last_name "Employee"
FROM employees m JOIN employees e
ON m.employee_id = e.manager_id
WHERE e.manager_id=100;
C. SELECT m.last_name "Manager", e.last_name "Employee"
FROM employees m JOIN employees e
ON e.employee_id = m.manager_id
WHERE m.manager_id=100;
D. SELECT m.last_name "Manager", e.last_name "Employee"
FROM employees m JOIN employees e
WHERE m.employee_id = e.manager_id AND e.manager_id=100;
Answer: B
88. View the Exhibit1 and examine the descriptions of the EMPLOYEES and DEPARTMENTS tables.
The following SQL statement was executed:
SELECT e.department_id, e.job_id, d.location_id, sum(e.salary) total,
GROUPING(e.department_id) GRP_DEPT,
GROUPING(e.job_id) GRP_JOB,
GROUPING(d.location_id) GRP_LOC FROM employees e JOIN departments d
ON e.department_id = d.department_id GROUP BY ROLLUP (e.department_id, e.job_id, d.location_id);
View the Exhibit2 and examine the output of the command. Which two statements are true regarding th
e output? (Choose two.)
A. The value 1 in GRP_LOC means that the
LOCATION_ID column is taken into account to generate the subtotal.
B. The value 1 in GRP_JOB and GRP_LOC means that JOB_ID and
LOCATION_ID columns are not taken into account to generate the subtotal.
C. The value 1 in GRP_JOB
and GRP_LOC means that the NULL value in JOB_ID and LOCATION_ID columns are taken into accou
nt to generate the subtotal.
D. The value 0 in GRP_DEPT, GRP_JOB, and GRP_LOC means that DEPARTMENT_ID, JOB_ID, and
LOCATION_ID columns are taken into account to generate the subtotal.
Answer: BD
89. View the Exhibit and examine the description of the DEPARTMENTS and EMPLOYEES tables.
Toretrievedatafor all the employees for their EMPLOYEE_ID, FIRST_NAME,and DEPARTMENTNAME,
the following SQL statement was written:
SELECT employee_id, first_name, department_name
FROM employees
NATURAL JOIN departments;
The desiredoutput is not obtainedafter executing the aboveSQLstatement.What could bethereasonfor
this?
A. The NATURAL JOIN clause is missing the USING clause.
B. The table prefix is missing for the column names in the SELECT clause.
C. The DEPARTMENTS table is not used before the EMPLOYEES table in the FROM clause.
D. The EMPLOYEES and DEPARTMENTS tables have more than one column with the same column
name and data type.
Answer: D
90. View the Exhibit and examine the descriptions of the DEPT and LOCATIONS tables.
Youwant to updatetheCITYcolumnof theDEPT table for all therows withthecorresponding valuein the
CITY column of the LOCATIONS table for each department.
Which SQL statement would you execute to accomplish the task?
A. UPDATE dept d SET city = ANY (SELECT city FROM locations l);
B. UPDATE dept d SET city = (SELECT city FROM locations l) WHERE d.location_id = l.location_id;
C. UPDATE dept d SET city = (SELECT city FROM locations l WHERE d.location_id = l.location_id);
D. UPDATE dept d
SET city = ALL (SELECT city FROM locations l WHERE d.location_id = l.location_id);
Answer: C
91. View the Exhibit and examine the data in the LOCATIONS table.
Evaluate the following SQL statement:
SELECT street_address FROM locations WHERE REGEXP_INSTR(street_address,'[^[:alpha:]]') = 1; W
hich statement is true regarding the output of this SQL statement?
A. It would display all the street addresses that do not have a substring 'alpha'.
B. It would display all the street addresses where the first character is a special character.
C. It would display all the street addresses where the first character is a letter of the alphabet.
D. It would display all the street addresses where the first character is not a letter of the alphabet.
Answer: D
92. Evaluate the following expression using meta character for regular expression:
'[^Ale|ax.r$]'
Which twomatches would be returned by this expression? (Choose two.)
A. Alex
B. Alax
C. Alxer
D. Alaxendar
E. Alexender
Answer: DE
93. The ORDERS table belongs to the user OE. OE has granted the SELECT privilege on the ORDERS
table to the user HR.
Which statement would create a synonym ORD so that HR can execute the following query successfully?
SELECT * FROM ord;
A. CREATE SYNONYM ord FOR orders; This command is issued by OE.
B. CREATE PUBLIC SYNONYM ord FOR orders; This command is issued by OE.
C. CREATE SYNONYM ord FOR oe.orders; This command is issued by the database administrator.
D. CREATE PUBLIC SYNONYM ord FOR oe.orders; This command is issued by the database
administrator.
Answer: D
94. View the Exhibit and examine the description of the EMPLOYEES and DEPARTMENTS tables.
Youwant to displaythe LAST_NAME for the employees, LAST_NAME for themanager of theemployees,
and the DEPARTMENT_NAME for the employees having 100 as MANAGER_ID. The following SQL
statement was written:
SELECT m.last_name "Manager", e.last_name "Employee", department_name "Department"
FROM employees m JOIN employees e
ON (m.employee_id = e.manager_id)
WHERE e.manager_id=100
JOIN departments d
ON (e.department_id = d.department_id);
Which statement is true regarding the output of this SQL statement?
A. The statement would provide the desired results.
B. The statement would not execute because the ON clause is written twice.
C. The statement would not execute because the WHERE clause is wrongly placed.
D. The statement would not execute because the self join uses the ON clause instead of the USING
clause.
Answer: C
95. Evaluate the following DELETE statement:
DELETE FROM orders;
There are no other uncommitted transactions on the ORDERS table.
Which statement is true about the DELETE statement?
A. It removes all the rows in the table and allows ROLLBACK.
B. It would not remove the rows if the table has a primary key.
C. It removes all the rows as well as the structure of the table.
D. It removes all the rows in the table and does not allow ROLLBACK.
Answer:A
96. View the Exhibit and examine the structure of ORDERS and ORDER_ITEMS tables.
ORDER_ID is theprimarykey in the ORDERS table. Itis also theforeignkeyin theORDER_ITEMS table
wherein it is created with the ON DELETE CASCADE option.
Which DELETE statement would execute successfully?
A. DELETE order_id FROM orders WHERE order_total < 1000;
B. DELETE orders WHERE order_total < 1000;
C. DELETE FROM orders WHERE (SELECT order_id FROM order_items);
D. DELETE orders o, order_items i
WHERE o.order_id = i.order_id;
Answer: B
97. View the Exhibit and examine the description for EMPLOYEES and DEPARTMENTS tables.
Evaluate the following SQL statement:
SELECT e.department_id, e.job_id, d.location_id, sum(e.salary) total FROM employees e JOIN departm
ents d
ON e.department_id = d.department_id GROUP BY CUBE (e.department_id, e.job_id, d.location_id); W
hich two statements are true regarding the output of this command? (Choose two.)
A. The output would display the total salary for all the departments.
B. The output would display the total salary for all the JOB_IDs in a department.
C. The output would display only the grand total of the salary for all JOB_IDs in a LOCATION_ID.
D. The output would display the grand total of the salary for only the groups specified in the GROUP BY
clause.
Answer:AB
98. View the Exhibit and examine the data in EMP and DEPT tables.
In the DEPT table, DEPTNO is the PRIMARY KEY.
In the EMP table, EMPNO is the PRIMARYKEYand DEPTNO is the FOREIGN KEY referencing the
DEPTNO column in the DEPT table.
What would be the outcome of the following statements executed in the given sequence?
DROPTABLE emp;
FLASHBACK TABLE emp TO BEFORE DROP;
INSERT INTO emp VALUES (2,COTT 10); INSERT INTO emp VALUES (3,ING 55);
A. Both the INSERT statements would fail because all constraints are automatically retrievedwhen the
table is flashed back.
B. Both the INSERT statements would succeed because none of the constraints on the table are
automatically retrievedwhen the table is flashed back.
C. Only the first INSERT statement would succeed because all the constraints except the primary key
constraint are automatically retrieved after a table is flashed back.
D. Only the second INSERT statement would succeed because all the constraints except referential
integrity constraints that reference other tables are retrieved automatically after the table is flashed back.
Answer: D
99. View the Exhibit and examine the structure of the ORDERS table.
The ORDER_ID column is the PRIMARYKEY in the ORDERS table. Evaluate the following CREATE
TABLE command:
CREATETABLE new_orders(ord_id, ord_date DEFAULT SYSDATE, cust_id)
AS
SELECT order_id,order_date,customer_id
FROM orders;
Which statement is true regarding the above command?
A. The NEW_ORDERS table would not get created because the DEFAULT value cannot be specified in
the column definition.
B. The NEW_ORDERS table would get created and only the NOT NULL constraint defined on the
specified columns would be passed to the new table.
C. The NEW_ORDERS table would not get created because the column names in the CREATETABLE
command and the SELECT clause do not match.
D. The NEW_ORDERS table would get created and all the constraints defined on
the specified columns in the ORDERS table would be passed to the new table.
Answer: B
100. Which two statements are true regarding the GROUP BY clause in
a SQL statement? (Choose two.)
A. You can use column alias in the GROUP BY clause.
B. Using theWHERE clause after the GROUP BY clause excludes the rows after creating groups.
C. The GROUP BY clause is mandatory if you are using an aggregate function in the SELECT clause.
D. Using the WHERE clause before the GROUP BYclause excludes the rows before creating groups.
E. If the SELECT clause has an aggregate function, then those individual columns without an aggregate
function in the SELECT clause should be included in the GROUP BY clause.
Answer: DE
101. Which statement is true regarding synonyms?
A. Synonyms can be created for tables but not views.
B. Synonyms are used to reference only those tables that are owned by another user.
C. A public synonym and a private synonym can exist with the same name for the same table.
D. The DROP SYNONYM statement removes the synonym, and the status of the table on which the
synonym has been created becomes invalid.
Answer: C
102. Evaluate the following command:
CREATETABLE employees
(employee_id NUMBER(2) PRIMARY KEY,
last_name VARCHAR2(25) NOT NULL,
department_id NUMBER(2),
job_id VARCHAR2(8),
salary NUMBER(10,2));
You issue the following command to create a view that displays the IDs and last names of the sales staff
in the organization:
CREATE OR REPLACE VIEW sales_staff_vuAS
SELECT employee_id, last_name,job_id
FROM employees
WHERE job_id LIKE 'SA_%' WITH CHECK OPTION;
Which statements are true regarding the above view? (Choose all that apply.)
A. It allows you to insert details of all new staff into the EMPLOYEES table.
B. It allows you to delete the details of the existing sales staff from the EMPLOYEES table.
C. It allows you to update the job ids of the existing sales staff to any other job id in the EMPLOYEES
table.
D. It allows you to insert the IDs, last names and job ids of the sales staff from the view if it is used in
multitable INSERT statements.
Answer: BD
103. View the Exhibit and examine the structure of EMPLOYEES and JOB_HISTORY tables.
The EMPLOYEES table maintains the most recent information regarding salary, department, and job for
all the employees. The JOB_HISTORYtable maintains the record for all the job changes for the
employees. You want to delete all the records from the JOB_HISTORYtable that are repeated in the
EMPLOYEES table.
Which two SQL statements can you execute to accomplish the task? (Choose two.)
A. DELETE FROM job_history j WHERE employee_id = (SELECT employee_id FROM employees e
WHERE j.employee_id = e.employee_id) AND job_id = (SELECT job_id FROM employees e
WHERE j.job_id = e.job_id);
B. DELETE FROM job_history j WHERE (employee_id, job_id) = ALL
(SELECT employee_id, job_id FROM employees e WHERE j.employee_id = e.employee_id and
j.job_id = e.job_id )
C. DELETE FROM job_history j WHERE employee_id = (SELECT employee_id FROM employees e
WHERE j.employee_id = e.employee_id and j.job_id = e.job_id )
D. DELETE FROM job_history j WHERE (employee_id, job_id) =
(SELECT employee_id, job_id FROM employees e
WHERE j.employee_id = e.employee_id and j.job_id = e.job_id )
Answer: CD
104. The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues the following
GRANT command: GRANTALL ON orders, order_items TO PUBLIC; What correction needs to be
done to the above statement?
A. PUBLIC should be replaced with specific usernames.
B. ALL should be replaced with a list of specific privileges.
C. WITH GRANT OPTION should be added to the statement.
D. Separate GRANT statements are required for ORDERS and ORDER_ITEMS tables.
Answer: D
105. Given below is a list of functions and the tasks performed by using these functions, in random order
.
Function Usage
1) LPAD a) Used to truncate a column, expression, or value to n decimal places
2) TRUNC b) Used to remove heading or trailing or both characters from the character string
3) DECODE c) Pads the character value rightjustified to a total width of n character positions
4) TRIM d) Used to return the numeric value for position of a named character from the
character string
5) INSTR e) Used to translate an expression after comparing it with each search value
Which option correctly matches the function names with their usage?
A. 1c, 2b, 3e, 4a, 5d
B. 1e, 2b, 3c, 4a, 5d
C. 1e, 2a, 3c, 4d, 5b
D. 1c, 2a, 3e, 4b, 5d
Answer: D
106. Which statement is true regarding theCUBEoperator in the GROUPBYclause of a SQLstatement?
A. It produces only aggregates for the groups specified in the GROUP BY clause.
B. It finds all the NULL values in the superaggregates for the groups specified in the GROUP BY clause.
C. It produces 2 n possible superaggregate combinations, if the n columns and
expressions are specified the GROUP BY clause.
D. It produces n+1 possible super aggre gate combinations, if the ncolumns and expressions are
specified in the GROUP BY clause.
Answer: C
107. Which statement is true regarding the SESSION_PRIVS dictionary view?
A. It contains the current object privileges available in the user session.
B. It contains the current system privileges available in the user session.
C. It contains the object privileges granted to other users by the current user session.
D. It contains the system privileges granted to other users by the current user session.
Answer: B
108. View the Exhibit and examine the details for the CATEGORIES_TAB table.
Evaluate the following incomplete SQL statement:
SELECT category_name,category_description
FROM categories_tab
You want to display only the rows that have 'harddisks' as part of the string in the
CATEGORY_DESCRIPTION column.
Which twoWHERE clause options can give you the desired result? (Choose two.)
A. WHERE REGEXP_LIKE (category_description, 'hard+.s');
B. WHERE REGEXP_LIKE (category_description, '^H|hard+.s');
C. WHERE REGEXP_LIKE (category_description, '^H|hard+.s$');
D. WHERE REGEXP_LIKE (category_description, '[^H|hard+.s]');
Answer:AB
109. Which two statements are true regarding roles? (Choose two.)
A. A role can be granted to itself.
B. A role can be granted to PUBLIC.
C. A user can be granted only one role at any point of time.
D. The REVOKE command can be used to remove privileges but not roles from other users.
E. Roles are named groups of related privileges that can be granted to users or other roles.
Answer: BE
110. View the Exhibit and examine the data in the CUST_DET table.
You executed the following multitable INSERT statement:
INSERT FIRST
WHEN credit_limit >= 5000 THEN INTO cust_1 VALUES(cust_id, credit_limit, grade, gender)
WHEN grade = THEN INTO cust_2 VALUES(cust_id, credit_limit, grade, gender)
WHEN grade = THEN INTO cust_3 VALUES(cust_id, credit_limit, grade, gender)
INTO cust_4 VALUES(cust_id, credit_limit, grade, gender)
ELSE
INTO cust_5 VALUES(cust_id, credit_limit, grade, gender) SELECT * FROM cust_det; The row will
be inserted in _______.
A. CUST_1 table only because CREDIT_LIMIT condition is satisfied
B. CUST_1 and CUST_2 tables because CREDIT_LIMIT and GRADE conditions are satisfied
C. CUST_1,CUST_2 and CUST_5 tables because CREDIT_LIMIT and GRADE conditions are satisfied
but GENDER condition is not satisfied
D. CUST_1, CUST_2 and CUST_4 tables because CREDIT_LIMIT and GRADE conditions are satisfied
for CUST_1 and CUST_2, and CUST_4 has no condition on it
Answer:A
111. View the Exhibit and examine the data in the EMPLOYEES tables.
Evaluate the following SQL statement:
SELECT employee_id, department_id FROM employees WHERE department_id= 50 ORDER BYdepart
ment_id UNION SELECT employee_id, department_id FROM employees WHERE department_id= 90
UNION SELECT employee_id, department_id
| English | Chinese(Traditional) | Chinese(Simplified) |72 TestInside Information Co., Ltd. All rights
reserved.
Testinside
FROM employees WHERE department_id= 10; What would be the outcome of the above SQL statemen
t?
A. The statement would execute successfully and display all the rows in the ascending order of DEPAR
TMENT_ID.
B. Thestatement would executesuccessfullybut it will ignoretheORDER BYclause and
displaytherows in random order.
C. The statement would not execute because the positional notation instead of the column name should
be used with the ORDER BY clause.
D. The statement would not execute because the ORDER BY clause should appear only at the end of th
e SQL statement, that is, in the last SELECT statement.
Answer: D
112. View the Exhibit and examine the details of the EMPLOYEES table.
Evaluate the following SQL statements: Statement 1: SELECT employee_id, last_name, job_id,manager
_id FROM employees STARTWITH employee_id = 101
CONNECT BYPRIOR employee_id = manager_id AND manager_id != 108 ;
Statement 2: SELECT employee_id, last_name, job_id,manager_id FROM employees WHERE manage
r_id != 108
STARTWITH employee_id = 101 CONNECT BYPRIOR employee_id = manager_id;
Which two statements are true regarding the above SQL statements? (Choose two.)
A. Statement 2would not executebecausetheWHERE clauseconditionis not allowedin astatement that
has the START WITH clause.
B. The
output for statement 1 would display the employee with MANAGER_ID 108 and all the employees
below him or her in the hierarchy.
C. The output of statement 1 would neither display the employee with MANAGER_ID 108 nor any
employee below him or her in the hierarchy.
D. The output for statement 2would not displaytheemployeewithMANAGER_ID 108but it would display
all the employees below him or her in the hierarchy.
Answer: CD
113. Evaluate the SQL statements:
CREATETABLE new_order
(orderno NUMBER(4),
booking_date TIMESTAMPWITH LOCAL TIME ZONE);
The database is located in San Francisco where the time zone is 8:00.
The user is located in New York where the time zone is 5:00.
A New York user inserts the following record:
INSERT INTO new_order
VALUES(1, TIMESTAMP ?0070510 6:00:00 5:00?);
Which statement is true?
A. When the New York user selects the row, booking_date is displayed as '0070510 3.00.00.000000'
B. When the New York user selects the row, booking_date is displayed as '20070510 6.00.00.000000 -
5:00'.
C. When the San Francisco user selects the row, booking_date is displayed as '0070510
3.00.00.000000'
D. When the San Francisco user selects the row, booking_date is displayed as '0070510
3.00.00.000000 8:00'
Answer: C
114. Which statements are true? (Choose all that apply.)
A. The data dictionary is created and maintained by the database administrator.
B. The data dictionary views can consist of joins of dictionary base tables and userdefined tables.
C. The usernames of all the users including the database administrators are stored in the data dictionary
D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a
constraint applies.
E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are
owned by the user.
F. Views with the same name but different prefixes, such as DBA, ALLand USER, use the same base
tables from the data dictionary
Answer: CDF
115. View the Exhibit and examine the details of the PRODUCT_INFORMATION table.
You have the requirement to display PRODUCT_NAME and LIST_PRICE from the table where the
CATEGORY_ID column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You
executed the following SQL statement: SELECT product_name, list_price FROM product_information
WHERE (category_id = 12AND category_id = 13)AND supplier_id = 102088; Which statement is true re
garding the execution of the query?
A. It would execute but the output would return no rows.
B. It would execute and the output would display the desired result.
C. It would not execute because the entireWHERE clause condition is not enclosed within the
parentheses.
D. It would not execute because the same column has been used in both sides of theAND logical operat
or to form the condition.
Answer:A
116. Given below is the list of meta character syntaxes and their descriptions in random order:
Meta character syntax Description
1) ^ a) Matches character not in the list
2) [^...] b) Matches character when it occurs at the beginning of a line
3) | c) Treats the subsequent meta character as a literal
4) \ d) Matches one of the characters such as the OR operator
Identify the option that correctly matches the meta character syntaxes with their descriptions.
A. 1b, 2a, 3d, 4c
B. 1a, 2b, 3d, 4c
C. 1d, 2b, 3a, 4c
D. 1b, 2c, 3d, 2a
Answer:A
117. View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables.
Evaluate the following UPDATE statement:
UPDATE
(SELECT order_date, order_total, customer_id
FROM orders) SET order_date = '22mar2007' WHERE customer_id =
(SELECT customer_id FROM customers WHERE cust_last_name = 'Roberts'AND credit_limit = 600);
Which statement is true regarding the execution of the above UPDATE statement?
A. It would not execute because two tables cannot be used in a single UPDATE statement.
B. It would execute and restrict modifications to only the columns specified in the SELECT statement.
C. It would not execute because a subquery cannot be used in theWHERE clause of an UPDATE
statement.
D. It would not execute because the SELECT statement cannot be used in place of the table name.
Answer: B
118. Which statement correctly differentiates a system privilege from an object privilege?
A. System privileges can be granted only by the DBA whereas object privileges can be granted by DBAs
or the owner of the object.
B. System privileges give the rights to only create user schemas whereas object privileges give rights to
manipulate objects in a schema.
C. Users require system privileges to gain access to
the database whereas they require object privileges to create objects in the database.
D. A system privilege is the right to perform specific activities in a database whereas an
object privilege is a right to perform activities on a specific object in the database.
Answer: D
119. View the Exhibit and examine the data in the PRODUCT_INFORMATION table.
Which two tasks would require subqueries? (Choose two.)
A. displaying the minimum list price for each product status
B. displaying all supplier IDs whose average list price is more than 500
C. displaying the number of products whose list prices are more than the average list price
D. displaying all the products whose minimum list prices are more than the average list price of
products
having the product status orderable
E. displaying the total number of products supplied by supplier 102071 and having product status
OBSOLETE
Answer: CD
120. Which two statements are true regarding constraints? (Choose two.)
A. A foreign key cannot contain NULL values.
B. A columnwith the UNIQUE constraint can contain NULL.
C. Aconstraint is enforced only for the INSERT operation on a table.
D. A constraint can be disabled even if the constraint column contains data.
E. All the constraints can be defined at the column level as well as the table level.
Answer: BD
121. View the Exhibit and examine the description of the ORDER_ITEMS table.
The following SQL statement was written to retrieve the rows for the PRODUCT_ID that has a
UNIT_PRICE of more than 1,000 and has been ordered more than five times:
SELECT product_id, COUNT(order_id) total, unit_price
FROM order_items WHERE unit_price>1000AND COUNT(order_id)>5
GROUP BY product_id, unit_price; Which statement is true regarding this SQL statement?
A. The statement would execute and give you the desired result.
B. The statement would not execute because the aggregate function is used in theWHERE clause.
C. The statement would not execute because the WHERE clause should have the OR logical operator
instead of AND.
D. The statement would not execute because in the SELECT clause, the UNIT_PRICE column is placed
after the column having the aggregate function.
Answer: B
122. Which two statements best describe the benefits of using theWITH clause? (Choose two.)
A. It enables users to store the results of a query permanently.
B. It enables users to store the query block permanently in
the memory and use it to create complex queries.
C. Itenables users toreuse the samequeryblock in aSELECTstatement,if it occurs morethanonce in a
complex query.
D. It can improve the performance of a largequery by storing the result of a query block having theWITH
clause in the user's temporary tablespace.
Answer: CD
123. View the Exhibit and examine the structure of the ORDERS and ORDER_ITEMS tables.
In the ORDERS table, ORDER_ID is the PRIMARYKEY and ORDER_DATE has the DEFAULT value a
s SYSDATE. Evaluate the following statement: UPDATE orders SET
order_date=DEFAULT WHERE order_id IN (SELECT order_id FROM order_items
WHERE qty IS NULL); What would be the outcome of the above statement?
A. TheUPDATE statement would not work becausethemain queryandthesubqueryuse different tables.
B. The UPDATE statement would not work because the DEFAULT value can be used only in INSERT
statements.
C. The UPDATE statement would change all ORDER_DATE values to SYSDATE provided the current
ORDER_DATE is NOT NULL and QTY is NULL.
D. The UPDATE statement would change all the ORDER_DATE values to SYSDATE irrespective of
what the current ORDER_DATE value is for all orders where QTY is NULL.
Answer: D
124. View the Exhibit and examine the description of the EMPLOYEES table.
Evaluate the following SQL statement: SELECT employee_id, last_name, job_id,manager_id, LEVEL
FROM employees STARTWITH employee_id = 101
CONNECT BYPRIOR employee_id=manager_id ; Which two statements are true regarding the output o
f this command? (Choose two.)
A. The output would be in topdown hierarchy starting with EMPLOYEE_ID having value 101.
B. The output would be in bottomup hierarchy starting with EMPLOYEE_ID having value 101.
C. The LEVEL column displays the number of employees in the hierarchy under the employee having th
e
EMPLOYEE_ID 101.
D. The LEVEL column displays the level in the hierarchy at which the employee is placed under the
employee having the EMPLOYEE_ID 101.
Answer:AD
125. Which three statements are true regarding the WHERE and HAVING clauses in a SQL statement?
(Choose three.)
A. The HAVING clause conditions can have aggregate functions.
B. The HAVING clause conditions can use aliases for the columns.
C. WHERE and HAVING clauses cannot be used together in a SQL statement.
D. The WHERE clause is used to exclude rows before the grouping of data.
E. The HAVING clause is used to exclude one or more aggregated results after grouping data.
Answer:ADE
126. The first DROP operation is performed on PRODUCTS table using the following command:
DROPTABLE products PURGE;
Then you performed the FLASHBACK operation by using the following command:
FLASHBACK TABLE products TO BEFORE DROP;
Which statement describes the outcome of the FLASHBACK command?
A. It recovers only the table structure.
B. It recovers the table structure, data, and the indexes.
C. It recovers the table structure and data but not the related indexes.
D. It is not possible to recover the table structure, data, or the related indexes.
Answer: D
127. Which statements aretrueregarding theusage of theWITH clausein complex correlatedsubqueries?
(Choose all that apply.)
A. It can be used only with the SELECT clause.
B. The WITH clause can hold more than one query.
C. If the query block name and the table namewere the same, then the table namewould take
precedence.
D. The query name in theWITH clause is visible to other query blocks in the WITH clause as well as to
the main query block.
Answer:ABD
128. Evaluate the following SQL statement:
CREATE INDEX upper_name_idx
ON product_information(UPPER(product_name));
Which query would use the UPPER_NAME_IDX index?
A. SELECT UPPER(product_name)
FROM product_information
WHERE product_id = 2254;
B. SELECT UPPER(product_name)
FROM product_information;
C. SELECT product_id
FROM product_information
WHERE UPPER(product_name) IN ('LASERPRO', 'Cable');
D. SELECT product_id, UPPER(product_name)
FROM product_information
WHERE UPPER(product_name)='LASERPRO' OR list_price > 1000;
Answer: C
129. Which three statements are true regarding group functions? (Choose three.)
A. They can be used on columns or expressions.
B. They can be passed as an argument to another group function.
C. They can be used only with a SQL statement that has the GROUP BY clause.
D. They can be used on only one column in the SELECT clause of a SQL statement.
E. They can be used along with the singlerow function in the SELECT clause of a SQL statement.
Answer:ABE
130. Which three statements are true regarding singlerow functions? (Choose three.)
A. They can accept only one argument.
B. They can be nested up to only two levels.
C. They can return multiple values of more than one data type.
D. They can be used in SELECT, WHERE, and ORDER BY clauses.
E. They can modify the data type of the argument that is referenced.
F. They can accept a column name, expression, variable name, or a usersupplied constant as
arguments.
Answer: DEF
131. Which view would you use to display the column names and DEFAULT values for a table?
A. DBA_TABLES
B. DBA_COLUMNS
C. USER_COLUMNS
D. USER_TAB_COLUMNS
Answer: D
132. View the Exhibit and examine the structure for the ORDERS and ORDER_ITEMS tables.
You want to display ORDER_ID, PRODUCT_ID, and
TOTAL (UNIT_PRICE multiplied by QUANTITY) for
all the orders placed in the last seven days.
Which query would you execute?
A. SELECT order_id, product_id, unit_price*quantity "TOTAL"
FROM order_items oi JOIN orders o
ON (o.order_id=oi.order_id)
WHERE o.order_date>=SYSDATE7;
B. SELECT o.order_id,oi.product_id, oi.unit_price*oi.quantity "TOTAL"
FROM order_items oi JOIN orders o
USING (order_id)
WHERE o.order_date>=SYSDATE7;
C. SELECT o.order_id, oi.product_id, oi.unit_price*oi.quantity "TOTAL"
FROM order_items oi JOIN orders o
WHERE o.order_date>=SYSDATE7
ON (o.order_id=oi.order_id);
D. SELECT o.order_id, oi.product_id, oi.unit_price*oi.quantity "TOTAL"
FROM order_items oi JOIN orders o
ON (o.order_id=oi.order_id)
WHERE o.order_date>=SYSDATE7;
Answer: D
133. Which three statements are true? (Choose three.)
A. Only one LONG column can be used per table.
B. ATIMESTAMP data type column stores only time values with fractional seconds.
C. The BLOB data type column is used to store binary data in an operating system file.
D. The minimum columnwidth that can be specifiedfor a varchar2 data type column is one.
E. The value for a CHAR data type column is blankpadded to the maximum defined columnwidth.
Answer:ADE
134. Which two statements are true regarding subqueries? (Choose two.)
A. Only two subqueries can be placed at one level.
B. A subquery can be used to access data from one or more tables or views.
C. If the subquery returns 0 rows, then the value returned by the subquery expression is NULL.
D. The columns in a subquery must always be qualified with the name or alias of the table used.
E. A subquery in the WHERE clause of a SELECT statement can be nested up to three levels only.
Answer: BC
135. Evaluate the following statement:
INSERTALL
WHEN order_total < 10000 THEN
INTO small_orders
WHEN order_total > 10000AND order_total < 20000 THEN
INTO medium_orders WHEN order_total > 2000000 THEN INTO large_orders SELECT order_id,
order_total, customer_id FROM orders;
Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT state
ment?
A. They are
evaluated by all the three WHEN clauses regardless of the results of the evaluation of any other
WHEN clause.
B. They are evaluated by the first WHEN clause. If the condition is true, then the row would be evaluated
by the subsequent WHEN clauses.
C. They are evaluated by the first WHEN clause. If the condition is false, then the row
would be evaluated by the subsequent WHEN clauses.
D. The INSERT statement would give an error because the ELSE clause is not present for
support in case none of the WHEN clauses are true.
Answer:A
136. Which three possible values can be set for the TIME_ZONE session parameter by using theALTER
SESSION command? (Choose three.)
A. 'os'
B. local
C. '8:00'
D. dbtimezone
E. 'Australia'
Answer: BCD
137. View the Exhibit and examine the structure of the ORDER_ITEMS table.
Examine the following SQL statement:
SELECT order_id, product_id, unit_price
FROM order_items
WHERE unit_price = (SELECT MAX(unit_price)
FROM order_items
GROUP BY order_id); You want to display the
PRODUCT_ID of the product that has the highest UNIT_PRICE per ORDER_ID. What correction should
be made in the above SQL statement to achieve this?
A. Replace = with the IN operator.
B. Replace = with the >ANY operator.
C. Replace = with the >ALL operator.
D. Remove the GROUP BY clause from the subquery and place it in the main query.
Answer:A
138. View the Exhibit and examine the table structure of DEPARTMENTS and LOCATIONS tables.
You want to display all the cities that have no departments and the departments that have not been
allocated cities.
Which type of join between DEPARTMENTS and LOCATIONS tables would produce this information as
part of its output?
A. NATURAL JOIN
B. FULL OUTER JOIN
C. LEFT OUTER JOIN
D. RIGHT OUTER JOIN
Answer: B
139. View the Exhibit and examine the description of the ORDERS table.
Your manager asked you to get the SALES_REP_ID and the total numbers of orders placed by each of
the sales representatives. Which statement would provide the desired result?
A. SELECT sales_rep_id, COUNT(order_id) total_orders FROM orders GROUP BY sales_rep_id;
B. SELECT sales_rep_id, COUNT(order_id) total_orders FROM orders GROUP BY sales_rep_id, total_
orders;
C. SELECT sales_rep_id, COUNT(order_id) total_orders FROM orders;
D. SELECT sales_rep_id, COUNT(order_id) total_orders FROM orders WHERE sales_rep_id IS NOT N
ULL; Answer:A
151. View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables.
Which INSERT statement should be used to add a row into the ORDERS table for the customer whose
CUST_LAST_NAME is Roberts and CREDIT_LIMIT is 600?
A. INSERT INTO orders VALUES (1,'10mar-
2007', 'direct', (SELECT customer_id FROM customers WHERE cust_last_name='Roberts'AND
credit_limit=600), 1000);
B. INSERT INTO orders (order_id,order_date,order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts'AND
credit_limit=600),order_total)
VALUES(1,'10mar2007', 'direct', &&customer_id, 1000);
C. INSERT INTO orders (order_id,order_date,order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts'AND
credit_limit=600),order_total)
VALUES(1,'10mar2007', 'direct', &customer_id, 1000);
D. INSERT INTO(SELECT o.order_id, o.order_date,o.order_mode,c.customer_id, o.order_total
FROM orders o, customers c
WHERE o.customer_id = c.customer_id
AND c.cust_last_name='Roberts'ANDc.credit_limit=600 )
VALUES (1,'10mar2007', 'direct',(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts'AND
credit_limit=600), 1000);
Answer:A
140. Evaluate the following SQL statement:
SELECT product_name || 'it's not available for order'
FROM product_information
WHERE product_status = 'obsolete';
You received the following error while executing the above query:
ERROR:
ORA01756: quoted string not properly terminated
What would you do to execute the query successfully?
A. Enclose the character literal string in the SELECT clause within the double quotation marks.
B. Do not enclose the character literal string in the SELECT clause within the single quotation marks.
C. Use Quote (q) operator and delimiter to allow the use of single quotation mark in the literal character
string.
D. Use escape character to negate the single quotation mark inside the literal character string in the
SELECT clause.
Answer: C
141. View the Exhibit and examine the data in EMPLOYEES and DEPARTMENTS tables. In the
EMPLOYEES
table EMPLOYEE_ID is the PRIMARY KEYand DEPARTMENT_ID is the FOREIGN KEY.
In the DEPARTMENTS table DEPARTMENT_ID is the PRIMARY KEY.
Evaluate the following UPDATE statement:
UPDATE employees a
SET department_id =
(SELECT department_id
FROM departments
WHERE location_id = '2100'),
(salary, commission_pct) =
(SELECT 1.1*AVG(salary), 1.5*AVG(commission_pct)
FROM employees b
WHERE a.department_id = b.department_id)
WHERE first_name||' '||last_name = 'Amit Banda'; What would be the outcome of the above statement?
A. It would execute successfully and update the relevant data.
B. It would not execute successfully because there is no LOCATION_ID 2100 in the DEPARTMENTS
table.
C. It would not execute successfully because the condition specifiedwith the concatenation operator is
not valid.
D. It would not execute successfully because multiple columns (SALARY,COMMISSION_PCT)cannot b
e used in an UPDATE statement.
Answer:A
142. View the Exhibit and examine the description of the ORDERS table.
You need to display CUSTOMER_ID for all customers who have placed orders more than three times in
the last six months. You issued the following SQL statement:
SELECT customer_id,COUNT(order_id)
FROM orders
WHERE COUNT(order_id)>3AND
order_date BETWEEN ADD_MONTHS(SYSDATE,6)AND SYSDATE GROUP BY customer_id;
Which statement is true regarding the execution of the above statement?
A. It would execute successfully and provide the desired result.
B. It would not execute because theWHERE clause cannot have an aggregate function.
C. It would not execute because the ORDER_ID column is not included in the GROUP BY clause.
D. It would not execute because the GROUP BY clause should be placed before the WHERE clause.
Answer: B
143. View the Exhibit and examine the data in the PRODUCTS table.
Which statement would add a column called PRICE, which cannot contain NULL?
A. ALTER TABLE products ADD price NUMBER(8,2) NOT NULL;
B. ALTER TABLE products ADD price NUMBER(8,2) DEFAULT NOT NULL;
C. ALTER TABLE products ADD price NUMBER(8,2) DEFAULT 0 NOT NULL;
D. ALTER TABLE products ADD price NUMBER(8,2) DEFAULT CONSTRAINT p_nn NOT NULL;
Answer: C
144. View the Exhibit and examine the structure of the ORD table.
Evaluate the following SQL statements that are executed in
a user session in the specified order: CREATE SEQUENCE ord_seq; SELECT ord_seq.nextval FROM
dual; INSERT INTO ord VALUES (ord_seq.CURRVAL, '25jan2007',101); UPDATE ord SET
ord_no= ord_seq.NEXTVAL WHERE cust_id =101;
What would be the outcome of the above statements?
A. All the statements would execute successfully and the ORD_NO columnwould contain the value 2 for
the CUST_ID 101.
B. The CREATE SEQUENCE commandwould not execute because the minimum value and maximum
value for the sequence have not been specified.
C. The CREATE SEQUENCE commandwould not execute because the starting value of the sequence
and the increment value have not been specified.
D. All the statements would execute successfully and the ORD_NO columnwould have the value 20 for
the CUST_ID 101 because the default CACHE value is 20.
Answer:A
145. View the Exhibit and examine the description of the PRODUCT_INFORMATION table.
SELECT product_name, list_price,min_price, list_price min_price Difference
FROM product_information
Which options when used with the above SQL statement can produce the sorted output in ascending
order of the price difference between LIST_PRICE and MIN_PRICE? (Choose all that apply.)
A. ORDER BY4
B. ORDER BY MIN_PRICE
C. ORDER BY DIFFERENCE
D. ORDER BY LIST_PRICE
E. ORDER BY LIST_PRICE MIN_PRICE
Answer:ACE
146. ORD is a private synonym for the OE.ORDERS table.
The user OE issues the following command:
DROP SYNONYM ord;
Which statement is true regarding the above SQL statement?
A. Only the synonym would be dropped.
B. The synonym would be dropped and the corresponding table would become invalid.
C. The synonym would be dropped and the packages referring to the synonym would be dropped.
D. The synonym would be dropped and any PUBLIC synonym with the same name becomes invalid.
Answer:A
147. View the Exhibit and examine the structure of the ORDERS table.
Which task would require subqueries?
A. displaying the total order value for sales representatives 161 and 163
B. displaying the order total for sales representative 161 in the year 1999
C. displaying the number of orders that have order mode online and order date in 1999
D. displaying the number of orders whose order total is more than the average order total for all online
orders
Answer: D
148. Which SQL statement would display the view names and definitions of all the views owned by you?
A. SELECT view_name, text
FROM user_view;
B. SELECT view_name, text
FROM user_object ;
C. SELECT view_name, text
FROM user_objects;
D. SELECT view_name, text
FROM user_views;
Answer: D