ORACLE常用数据字典的查询视图

如题所述

第1个回答  2022-10-23

   用户

  查看用户下所有的表

  SQL>select * from user_tables;

  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 ;

   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 )> ;

  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)/( * ) as size(M) from user_segments

  where segment_name=upper( &table_name );

  查看放在ORACLE的内存区里的表

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

   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)/( * ) as size(M) from user_segments

  where segment_name=upper( &index_name );

   序列号

  查看序列号 last_number是当前值

  SQL>select * from user_sequences;

   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>set view_name text_length from user_views;

  SQL>set long ; 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 );

   同义词

  查看同义词的名称

  SQL>select * from user_synonyms;

   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 nstraint_name nstraint_type lumn_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 nstraint_name = nstraint_name

  order by cc position;

   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

lishixinzhi/Article/program/Oracle/201311/18880

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