Let's go
摘要: 案例一丶 1 SET @sql = NULL; 2 SELECT 3 GROUP_CONCAT(DISTINCT 4 CONCAT( 5 'MAX(IF(c.coursenm = ''', 6 c.coursenm, 7 ''', s.scores, 0)) AS ''', 8 c.coursenm 阅读全文
posted @ 2018-11-20 09:40 chenze 阅读(280) 评论(0) 推荐(0) 编辑
有事您Q我