摘要: --联表修改 update xyzrb set xyzrb.xy_card=tablsb.card from xyzrb left join tablsb on xyzrb.xybh=tablsb.xybh --取重复数据的各最大一条 select x.comment as comment,x.fidcoachid as fidcoachid from xcb_comment x rig... 阅读全文
posted @ 2017-02-09 14:53 盗梦笔记 阅读(2293) 评论(0) 推荐(0)