摘要：select FLIGHT_DATE, replace(wm_concat(FLIGHT_NO), ',', '*') FLIGHT_NOfrom T2001 group by FLIGHT_DATE 阅读全文

摘要：select * from all_triggers WHERE table_name='表名' 阅读全文

摘要：create or replace trigger TRI_PrintTest before delete or insert or update on TEST_EXAM --触发事件 for each row -- 每修改一行都需要调用此过程 b... 阅读全文