让百度收录网站,网站服务器费用,站内推广方式,外包服务公司是干什么的Insert into T1select * from T2 where NOT EXISTS (select 1 from T1 X where X.GUIDT2.GUID);转载于:https://www.cnblogs.com/kakaisgood/p/9935028.htmlInsert into T1select * from T2 where NOT EXISTS (select 1 from T1 X where X.GUIDT2.GUID);转载于:https://www.cnblogs.com/kakaisgood/p/9935028.html