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