唐增辉

摘要： orale 已存在的表和 SEQUENCE 查询和删除declare num number; begin select count(1) into num from all_tables where TABLE_NAME = 'TU_DIS_ES_COMMISSION_HIST' ; if num=1 then execute immediate 'drop table TU_DIS_ES_COMMISSION_HIST'; end if; select count(1) in... 阅读全文