SQL的UPDATE联查更新语句，开始想都没想就要这样做，然后语法出了上网查了下，还真有，以前没这样试过，记录一下方便回忆
Update a set a.Manage_FunctID=b.Manage_FunctID From Manage_PageUrl a Left join Manage_ButtonBar b on a.Manage_PageUrlID=b.Manage_PageUrlID Left join Manage_Funct c on b.Manage_FunctID=c.Manage_FunctID
