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，下面就为您详细介绍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

　　--------------------------------------------------------------------------------

　　Person:

　　LastName FirstName Address City
Nilsen Fred Kirkegt 56 Stavanger
Rasmussen Nina Stien 12 Stavanger

　　--------------------------------------------------------------------------------

　　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

　　--------------------------------------------------------------------------------

　　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