ORACLE用户常用数据字典查询

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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;

        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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