小肥羊要进步

2020年9月7日

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(125) 评论(0) 推荐(0)

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