DELETE 语句用于删除表中的行。
DELETE FROM 表名称 WHERE 列名称 = 值
| LastName | FirstName | Address | City |
|---|---|---|---|
| Gates | Bill | Xuanwumen 10 | Beijing |
| Wilson | Fred | Zhongshan 23 | Nanjing |
"Fred Wilson" 会被删除：
DELETE FROM Person WHERE LastName = 'Wilson'
| LastName | FirstName | Address | City |
|---|---|---|---|
| Gates | Bill | Xuanwumen 10 | Beijing |
可以在不删除表的情况下删除所有的行。这意味着表的结构、属性和索引都是完整的：
DELETE FROM table_name
或者：
DELETE * FROM table_name
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