In this video, learn MySQL UPDATE Statement - Updating Data In a Table | MySQL Tutorial. Find all the videos of the MySQL Course in this ... ... <看更多>

语句的执行过程如下：. 客户端（通常是你的服务）发出更新语句” update t set b = 200 where id = 2 “ 并向MySQL服务 ... ... <看更多>

Try this. UPDATE `table` SET `uid` = CASE WHEN id = 1 THEN 2952 WHEN id = 2 THEN 4925 WHEN id = 3 THEN 1592 ELSE `uid` END WHERE id in (1,2 ... ... <看更多>

This is rather risky business, and I can understand why. It has to do with the way MySQL processes subqueries. I wrote about it back on Feb ... ... <看更多>