• Oracle常用的一些 数据字典 转https://www.cnblogs.com/neozhu/archive/2008/07/22/1248422.html


    Oracle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;

      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;

      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='GAME';

      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=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')>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');

      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>set 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');

     
     
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  • 原文地址:https://www.cnblogs.com/cb1186512739/p/9900208.html
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