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'); 四、序列号 查看序列号,last_number是当前值 SQL>select * from user_sequences; 五、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>select 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'); 六、同义词 查看同义词的名称 SQL>select * from user_synonyms; 七、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; 八、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'); 九、触发器 查看触发器
set long 50000; set heading off; set pagesize 2000;
select 'create or replace trigger "' || trigger_name || '"' || chr(10)|| decode( substr( trigger_type, 1, 1 ), 'A', 'AFTER', 'B', 'BEFORE', 'I', 'INSTEAD OF' ) || chr(10) || triggering_event || chr(10) || 'ON "' || table_owner || '"."' || table_name || '"' || chr(10) || decode( instr( trigger_type, 'EACH ROW' ), 0, null, 'FOR EACH ROW' ) || chr(10) , trigger_body from user_triggers;
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