VB中队Access数据库表的连接操作
摘要:
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 ZDcheckchang 阅读全文
posted @ 2017-10-20 11:17 xbj_hyml 阅读(366) 评论(0) 推荐(0) 编辑