使用SQL Delete命令删除记录

SQL Delete命令用于删除SQL数据库中的记录，接下来的SQL server内容就为您详细介绍SQL Delete命令的用法，希望可以让您对SQL Delete命令有更深的认识。

DELETE 声明

The DELETE statement is used to delete rows in a table.

DELETE 声明常用来删除表中的数据。

语法

DELETE FROM table_nameWHERE column_name = some_value

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Person:

LastName FirstName Address City

Nilsen Fred Kirkegt 56 Stavanger

Rasmussen Nina Stien 12 Stavanger

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Delete a Row

删除一条记录

"Nina Rasmussen" is going to be deleted:

"Nina Rasmussen" 的所有个人信息将被删除：

DELETE FROM Person WHERE LastName = 'Rasmussen'

结果

LastName FirstName Address City

Nilsen Fred Kirkegt 56 Stavanger

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Delete All Rows

删除所有记录

It is possible to delete all rows in a table without deleting the table. This means that the table structure, attributes, and indexes will be intact:

可以不删除数据表且删除里面的所有记录行。这就意味着数据表构架，属性以及索引都会完整保留：

DELETE FROM table_name或DELETE * FROM table_name