今天更新数据库用到的SQL

update useridanddomain  set useridanddomain.useremail=useridandemail.useremail from useridanddomain,useridandemail where useridanddomain.userid=useridandemail.userid

update useridanddomain  set useridanddomain.useremail=useridandemail.useremail from useridanddomain,useridandemail where useridanddomain.userid=useridandemail.userid

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