摘要: 一:第一种: select (@i:=@i+1) as i,table_name.* from table_name,(select @i:=0) as it 例如: (1)简单实例:select (@i:=@i+1) i,user_id from spcp_user_20170803 ,(sele 阅读全文
posted @ 2017-10-19 09:38 爱笑的我_smile 阅读(32690) 评论(0) 推荐(0) 编辑