# Delete 语法
DELETE 语句用于删除表中的行。
# 演示数据库Websites
id | name | url | alexa | country |
---|---|---|---|---|
1 | https://www.google.cm/ | 1 | USA | |
2 | 淘宝 | https://www.taobao.com/ | 13 | CN |
3 | 菜鸟教程 | http://www.runoob.com/ | 4689 | CN |
4 | 微博 | http://weibo.com/ | 20 | CN |
5 | https://www.facebook.com/ | 3 | USA |
# 语法
# 1. DELETE 实例
DELETE FROM Websites
WHERE name='百度' AND country='CN';
您可以在不删除表的情况下,删除表中所有的行。这意味着表结构、属性、索引将保持不变:
DELETE FROM table_name;
或
DELETE * FROM table_name;
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