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1.将一个表的字段值更新到另外一张关联表的字段中 UPDATE ultrax_home_friend friend INNER JOIN ultrax_common_member member ON friend.fuid=member.uidSET friend.fusername=member.username
Mysql 根据业务完善sql
原文地址:http://my.oschina.net/u/998304/blog/495031