正文
mysql update 批量更新
小程序:扫一扫查出行
【扫一扫了解最新限行尾号】
复制小程序
【扫一扫了解最新限行尾号】
复制小程序
UPDATE cntheater SET title = (SELECT title FROM cntheater_copy WHERE cntheater.id = cntheater_copy.id)
将查询结果作为新表在进行子查询
select * from(SELECT
COUNT(*) as totalcount,
place,
title,
CONCAT("li" "qw") as name,
(select IFNULL(1/0,'yes')) as istrue
FROM
cntheater
GROUP BY title) as newTable WHERE totalcount=2