~夜~

摘要： 创建方法create function f_getid()returns intasbegin return(select isnull(max(contentID),0)+1 from contentsTest)endgo创建表create table contentsTest(contentID int default dbo.f_getid() primary key,contentName varchar(10))go创建触发器create trigger t_delete on contentsTestAFTER deleteasdeclare @id int,@mid int... 阅读全文