MySQL用變量的方法添加僞序號列

用兩個語句來實現sql set @rownum=0;spa SELECT @rownum:=@rownum+1 AS rownum , id FROM table;table 用一個sql語句來實現sql語句 SELECT @rownum:=@rownum+1 AS rownum, table_name.* FROM (SELECT @rownum:=0) r, table_name ;查詢 把r

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