oracle中存在的视图

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查看oracle 10g 视图

1、查看数据库的名字和归档状态

SQL> select name,log_mode from v$database;

NAME      LOG_MODE

--------- ------------

HB130000 ARCHIVELOG

2、查看数据库的instance名字和状态

SQL> select instance_name,status from v$instance;

NSTANCE_NAME    STATUS

---------------- ------------

hb130000         OPEN

3、查看表空间名称、状态和管理方式

SQL> select tablespace_name,status,extent_management from dba_tablespaces;

TABLESPACE_NAME               STATUS    EXTENT_MAN

------------------------------ --------- ----------

SYSTEM                        ONLINE    LOCAL

UNDOTBS1                      ONLINE    LOCAL

SYSAUX                        ONLINE    LOCAL

TEMP                          ONLINE    LOCAL

USERS                         ONLINE    LOCAL

GFB                           ONLINE    LOCAL

YSZX130000002004              ONLINE    LOCAL

RMAN                          ONLINE    LOCAL

8 rows selected.

4、查看控制文件的位置和名字
SQL> select name from v$controlfile;

NAME

/oracle/app/oracle/OraHome/dbs/hb130000/control01.ctl

/oradata/hb130000/control02.ctl

/oradata/hb130000/control03.ctl

5、查看日志文件的组名、成员数量、状态和大小

SQL> select group#,members,bytes,status from v$log;

GROUP#   MEMBERS      BYTES STATUS

---------- ---------- ---------- ----------------

        1          2   52428800INACTIVE

        2          2   52428800INACTIVE

        3          2   52428800CURRENT

6、查看日志文件的位置

SQL> select group#,member from v$logfile;

    GROUP#

----------

MEMBER

         3

/oradata/hb130000/redo03.log

  &

您正在看的ORACLE教程是:查看oracle 10g 视图。nbsp;      3

/oracle/app/oracle/OraHome/dbs/hb130000/redo03.rdo

         2

/oradata/hb130000/redo02.log

    GROUP#

----------

MEMBER

         2

/oracle/app/oracle/OraHome/dbs/hb130000/redo02.rdo

         1

/oradata/hb130000/redo01.log

         1

/oracle/app/oracle/OraHome/dbs/hb130000/redo01.rdo

6 rows selected.

7、查看数据文件的位置和大小

SQL> select name,bytes from v$datafile;

NAME

     BYTES

----------

/oradata/hb130000/system01.dbf

492830720

/oradata/hb130000/undotbs01.dbf

41943040

/oradata/hb130000/sysaux01.dbf

346030080

NAME

     BYTES

----------

/oradata/hb130000/users01.dbf

   5242880

/oradata/hb130000/GFB.DBF

20971520

/oradata/hb130000/YSZX130000002004.DBF

176160768

NAME

     BYTES

----------

/oradata/hb130000/rman.dbf

104857600

7 rows selected.

8、查看用户拥有的对象和类型

SQL> select object_name,object_type from dba_objects where owner='SCOTT';

OBJECT_NAME

                                                OBJECT_TYPE

--------------------------------------------------------------------------------

------------------------------------------------ -------------------

DEPT

                                                TABLE

PK_DEPT

                                                INDEX

EMP

                                                TABLE

PK_EMP

                                                INDEX

BONUS

                        &

您正在看的ORACLE教程是:查看oracle 10g 视图。nbsp;                       TABLE

SALGRADE

                                                TABLE

6 rows selected.

9、查看临时文件的信息

SQL> select name,bytes from v$tempfile;

NAME

     BYTES

----------

/oradata/hb130000/temp01.dbf

20971520

10、查看归档日志信息

SQL> select name, FIRST_CHANGE#,next_change# from v$archived_log;

NAME

--------------------------------------------------------------------------------

FIRST_CHANGE# NEXT_CHANGE#

------------- ------------

/oracle/app/oracle/OraHome/dbs/archive/hb130000_1_53_532853380.dbf

      1669178      1707392

/oracle/app/oracle/OraHome/dbs/archive/hb130000_1_54_532853380.dbf

      1707392      1734524

/oracle/app/oracle/OraHome/dbs/archive/hb130000_1_55_532853380.dbf

      1734524      1772848

NAME

--------------------------------------------------------------------------------

FIRST_CHANGE# NEXT_CHANGE#

------------- ------------

/oracle/app/oracle/OraHome/dbs/archive/hb130000_1_56_532853380.dbf

      1772848      1798092

/oracle/app/oracle/OraHome/dbs/archive/hb130000_1_57_532853380.dbf

      1798092      1831478

/oracle/app/oracle/OraHome/dbs/archive/hb130000_1_58_532853380.dbf

      1831478      1865033