sql server|SQL DELETE 语法,语句及用法

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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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