MySQL Update Left Join 示例
摘要：
update sys_user t1 left join ( select student_id ,count(1) as num from edu_class_record where begin_time > '2023-09-22 00:00:00' and classification = 阅读全文
posted @ 2023-09-27 04:27 //君莫笑 阅读(83) 评论(0) 推荐(0) 编辑