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使用SQL Delete命令刪除記錄

數(shù)據(jù)庫 SQL Server
SQL Server數(shù)據(jù)庫中Delete命令常用來刪除表中的數(shù)據(jù),下文對Delete命令的語法作詳細的說明,供您參考學(xué)習(xí)之用。

SQL Delete命令用于刪除SQL數(shù)據(jù)庫中的記錄,下面就為您詳細介紹SQL Delete命令的用法,希望可以讓您對SQL Delete命令有更深的認識。

DELETE 聲明
The DELETE statement is used to delete rows in a table.
DELETE 聲明常用來刪除表中的數(shù)據(jù)。

語法
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
刪除一條記錄
"Nina Rasmussen" is going to be deleted:
"Nina Rasmussen" 的所有個人信息將被刪除:

DELETE FROM Person WHERE LastName = 'Rasmussen'

結(jié)果

LastName FirstName Address City
Nilsen Fred Kirkegt 56 Stavanger

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

Delete All Rows

刪除所有記錄
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:
可以不刪除數(shù)據(jù)表且刪除里面的所有記錄行。這就意味著數(shù)據(jù)表構(gòu)架,屬性以及索引都會完整保留:

DELETE FROM table_name或DELETE * FROM table_name
 

 

 

【編輯推薦】

sql server系統(tǒng)表說明

Sql Server全文索引的遷移

SQL Server全文索引的用法

SQL Server刪除表信息的三種方法

SQL Server系統(tǒng)表的應(yīng)用

 

責(zé)任編輯:段燃 來源: 互聯(lián)網(wǎng)
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