[12]SQL IN 操作符
阿新 • • 發佈:2017-11-11
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[12]SQL IN 操作符
下面是選自 "Websites" 表的數據:
+----+--------------+---------------------------+-------+---------+
| id | name | url | alexa | country |
+----+--------------+---------------------------+-------+---------+
| 1 | Google | https://www.google.cm/ | 1 | USA |
| 2 | 淘寶 | https://www.taobao.com/ | 13 | CN |
| 3 | 菜鳥教程 | http://www.runoob.com/ | 4689 | CN |
| 4 | 微博 | http://weibo.com/ | 20 | CN |
| 5 | Facebook | https://www.facebook.com/ | 3 | USA |
| 7 | stackoverflow | http://stackoverflow.com/ | 0 | IND |
+----+---------------+---------------------------+-------+---------+
下面的 SQL 語句選取 name 為 "Google" 或 "菜鳥教程" 的所有網站:
SELECT * FROM Websites WHERE name IN (‘Google‘,‘菜鳥教程‘);
[12]SQL IN 操作符