标签：name 连接 from eve rem 数据库表 select sel time
三表连接
SELECT a.ZDID,a.ZDname,a.ZDIP,a.Remark,b.eventtime,c.checkTime from (ZDList as a
left join ZDEvents as b on a.zdid=b.zdid )
left join ZDcheckchangerecord_old as c on a.zdid=c.zdid
标签：name 连接 from eve rem 数据库表 select sel time
原文地址：http://www.cnblogs.com/xbj-hyml/p/7698537.html
