用戶
查看用戶下所有的表
SQL>select * from user_tables;
查看當前用戶的缺省表空間
SQL>select username default_tablespace from user_users;
查看當前用戶的角色
SQL>select * from user_role_privs;
查看當前用戶的系統權限和表級權限
SQL>select * from user_sys_privs;
SQL>select * from user_tab_privs;
顯示當前會話所具有的權限
SQL>select * from session_privs;
顯示指定用戶所具有的系統權限
SQL>select * from dba_sys_privs where grantee= GAME ;
顯示特權用戶
select * from v$pwfile_users;
顯示用戶信息(所屬表空間)
select default_tablespace temporary_tablespace
from dba_users where username= GAME ;
顯示用戶的PROFILE
select profile from dba_users where username= GAME ;
表
查看用戶下所有的表
SQL>select * from user_tables;
查看名稱包含log字符的表
SQL>select object_name object_id from user_objects
where instr(object_name LOG )> ;
查看某表的創建時間
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的內存區裏的表
SQL>select table_name cache from user_tables where instr(cache Y )> ;
索引
查看索引個數和類別
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 );
序列號
查看序列號 last_number是當前值
SQL>select * from user_sequences;
視圖
查看視圖的名稱
SQL>select view_name from user_views;
查看創建視圖的select語句
SQL>set view_name text_length from user_views;
SQL>set long ; 說明 可以根據視圖的text_length值設定set long 的大小
SQL>select text from user_views where view_name=upper( &view_name );
同義詞
查看同義詞的名稱
SQL>select * from user_synonyms;
約束條件
查看某表的約束條件
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;
存儲函數和過程
查看函數和過程的狀態
SQL>select object_name status from user_objects where object_type= FUNCTION ;
SQL>select object_name status from user_objects where object_type= PROCEDURE ;
查看函數和過程的源代碼
lishixinzhi/Article/program/Oracle/201311/18880