Row_Number() over( PARTITION By cno ...)
摘要:
DROP TABLE IF EXISTS `score`; CREATE TABLE `score` ( `id` int(10) NOT NULL AUTO_INCREMENT, `subject_id` char(10) DEFAULT NULL, `student_id` char(10) D 阅读全文
posted @ 2018-07-04 10:06 chengjunde 阅读(407) 评论(0) 推荐(0) 编辑