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  • 查看Oracle当前用户下的信息(用户,表视图,索引,表空间,同义词等)

      0、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;

      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';

      2、表

      查看用户下所有的表

      SQL>select * from user_tables;

    SELECT * FROM ALL_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;

    SELECT * FROM ALL_SYSNONYMS;

      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/JIKes/p/14596929.html
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