update aset a.id=b.Hfrom TERMINAL a,(SELECT ROW_NUMBER()OVER(ORDER BY danwei_name,wangdian_name,terminal_name ,host_sn) AS H,* FROM TERMINAL) bwhere a.danwei_name=b.danwei_name and a.wangdian_name=b.wangdian_name and a.terminal_name=b.terminal_name and a.host_sn=b.host_sn