使用MySQL查出的结果显示行号
SELECT @rowno:=@rowno+1 as rowno,r.* from t_article r,(select @rowno:=0) t
给MySQL添加行号
SET @mycnt = 0; UPDATE datamanagement SET rownum=(@mycnt := @mycnt + 1) WHERE id>38 ORDER BY createdtime;
查询MYSQL表字段最大值的方法
select max(id) from dbname