Case When_ SQL
摘要：
1.SELECT OrderID,Quality,CASE WHEN Quality>30 THEN 'The quantity is greater than 30' WHEN QUality =30 THEN 'The quatity is 30; ELSE 'The quantity is u 阅读全文
posted @ 2020-09-07 16:25 小肥羊要进步 阅读(113) 评论(0) 推荐(0) 编辑
