mysql联表修改UPDATE table1 t1 LEFT JOIN table2 t2 ON t2.field1 = t1.field1 SET t1.field2 = 4 WHERE …版权声明：本文为weixin_44438931原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/weixin_44438931/article/details/94576873