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Oracle数据字典概述 SQL>select username,default_tablespace from user_users; SQL>select * from user_role_privs; SQL>select * from user_sys_privs; SQL>select * from user_tab_privs; SQL>select * from user_tables; SQL>select object_name,object_id from user_objects where instr(object_name,'LOG')>0; SQL>select object_name,created from user_objects where object_name=upper('&table_name'); SQL>select sum(bytes)/(1024*1024) as "size(M)" from user_segments where segment_name=upper('&table_name'); SQL>select table_name,cache from user_tables where instr(cache,'Y')>0; SQL>select index_name,index_type,table_name from user_indexes order by table_name; SQL>select * from user_ind_columns where index_name=upper('&index_name'); SQL>select sum(bytes)/(1024*1024) as "size(M)" from user_segments where segment_name=upper('&index_name'); SQL>select * from user_sequences; SQL>select view_name from user_views; 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'); SQL>select * from user_synonyms; 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; SQL>select object_name,status from user_objects where object_type='FUNCTION'; SQL>select object_name,status from user_objects where object_type='PROCEDURE'; SQL>select text from all_source where owner=user and name=upper('&plsql_name'); |
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