delete from userinfo where id in (1,2,3,4,5,6)delete from userinfo where id=1 or id=2 or id=3 or id=4 or id=5 or id=6 這兩條sql語句那種效率會好一點,有什么區(qū)別?
關于sql語句執(zhí)行
胡說叔叔
2018-11-11 13:24:45