Mr-赵的博客 【正确答案】 select count(SN),avg(SA) from S where SD=‘技术一部’; update S set SN=‘Mike’ where S#=‘S#1’; select SN,SD from S where S#=(select S# from SC where C#=‘C2’); select SN,SD from S ...
云来雁去的博客INSERT INTO "sys_upgrade_history"(UPGRADE_TYPE,VERSION_NO,UPDATE_DATE,REMARK) VALUES('版本更新','10005',SYSDATE,'Normal'); 这是实际业务中编写的一个简单触发器脚本,我们通常的编写习惯是,在写完触发器...