常用数据字典表

     查看当前用户的缺省表空间

SQL>select username,default_tablespace from user_users;

 

SQL> select  username,default_tablespace  from  dba_users order by 2 ;

 

USERNAME                       DEFAULT_TABLESPACE

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

SDE                            SDE

DMSYS                          SYSAUX

EXFSYS                         SYSAUX

DBSNMP                         SYSAUX

SYSMAN                         SYSAUX

SI_INFORMTN_SCHEMA             SYSAUX

ORDSYS                         SYSAUX

 

查看当前用户的角色

SQL>select * from user_role_privs;

 

SQL> select *  from  user_role_privs ;

 

USERNAME                       GRANTED_ROLE                   ADM DEF OS_

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

ADMIN                          AQ_ADMINISTRATOR_ROLE          NO  YES NO

ADMIN                          AQ_USER_ROLE                   NO  YES NO

ADMIN                          CONNECT                        NO  YES NO

ADMIN                          DBA                            NO  YES NO

ADMIN                          RESOURCE                       NO  YES NO

 

查看当前用户的系统权限和表级权限

SQL>select * from user_sys_privs;

 

SQL> select  *  from  user_sys_privs ;

 

USERNAME                       PRIVILEGE                                ADM

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

ADMIN                          EXECUTE ANY PROCEDURE                    NO

ADMIN                          CREATE TABLE                             NO

ADMIN                          DEQUEUE ANY QUEUE                        NO

ADMIN                          SELECT ANY TABLE                         NO

ADMIN                          ENQUEUE ANY QUEUE                        NO

ADMIN                          INSERT ANY TABLE                         NO

ADMIN                          DROP ANY TABLE                           NO

ADMIN                          CREATE ANY TABLE                         NO

ADMIN                          UPDATE ANY TABLE                         NO

ADMIN                          DELETE ANY TABLE                         NO

ADMIN                          UNLIMITED TABLESPACE                     NO

 

SQL>select * from user_tab_privs;

查看用户下所有的表

SQL>select * from user_tables;

     查看用户下所有的表的列属性

     SQL>select * from USER_TAB_COLUMNS where table_name=:table_Name;

显示用户信息(所属表空间)

select default_tablespace,temporary_tablespace from dba_users where username='ADMIN';

1、用户

查看当前用户的缺省表空间

SQL>select username,default_tablespace from user_users;

查看当前用户的角色

SQL>select * from user_role_privs;

查看当前用户的系统权限和表级权限

SQL>select * from user_sys_privs;

SQL>select * from user_tab_privs;

显示当前会话所具有的权限

SQL>select * from session_privs;

显示指定用户所具有的系统权限

SQL>select * from dba_sys_privs where grantee='GAME';

显示特权用户

select * from v$pwfile_users;

显示用户信息(所属表空间)

select default_tablespace,temporary_tablespace

from dba_users where username='GAME';

显示用户的PROFILE

select profile from dba_users where username='GAME';

 

2、表

查看用户下所有的表

SQL>select * from user_tables;

查看名称包含log字符的表

SQL>select object_name,object_id from user_objects

where instr(object_name,'LOG')>0;

查看某表的创建时间

SQL>select object_name,created from user_objects where object_name=upper('&table_name');

查看某表的大小

SQL>select sum(bytes)/(1024*1024) as "size(M)" from user_segments

where segment_name = 'TJNRMS11' ;

查看放在Oracle的内存区里的表

SQL>select table_name,cache from user_tables where instr(cache,'Y')>0;

3、索引

查看索引个数和类别

SQL>select index_name,index_type,table_name from user_indexes order by table_name;

查看索引被索引的字段

SQL>select * from user_ind_columns where index_name=upper('&index_name');

查看索引的大小

SQL>select sum(bytes)/(1024*1024) as "size(M)" from user_segments

where segment_name=upper('&index_name');

 

SQL>select  bytes   from user_segments  where segment_name=upper('PK_WP_PORT_LINKCOUNT');

 

4、序列号

查看序列号，last_number是当前值

SQL>select * from user_sequences;

5、视图

查看视图的名称

SQL>select view_name from user_views;

查看创建视图的select语句

SQL>select  view_name,text_length from user_views;

SQL>set long 2000; 说明：可以根据视图的text_length值设定set long 的大小

SQL>select text from user_views where view_name=upper('&view_name');

6、同义词

查看同义词的名称

SQL>select * from user_synonyms;

7、约束条件

查看某表的约束条件

SQL>select constraint_name, constraint_type,search_condition, r_constraint_name

from user_constraints where table_name = upper('&table_name');

SQL>select c.constraint_name,c.constraint_type,cc.column_name

from user_constraints c,user_cons_columns cc

where c.owner = upper('&table_owner') and c.table_name = upper('&table_name')

and c.owner = cc.owner and c.constraint_name = cc.constraint_name

order by cc.position;

8、存储函数和过程

查看函数和过程的状态

SQL>select object_name,status from user_objects where object_type='FUNCTION';

SQL>select object_name,status from user_objects where object_type='PROCEDURE';

查看函数和过程的源代码

SQL>select text from all_source where owner=user and name=upper('&plsql_name');