执行SQL语句:SELECT (@i:=@i+1),t2.phone,t2.name,t2.create_time FROM t_admin_copy_member t2,(SELECT@i:=0)AS j 执行结果: 2.若加个需求,按日期倒序排 SQL语句变为:SELECT (@i:=@i+1),p.* 2 FROM ( 3 SELECT t2.phone,t2.name,t2.create_time FROM t_admin_copy_member t2 ORDE...
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