alter primary key sql server

The only way would be to drop the constraint with an Alter table then recreate it. ... PRIMARY KEY CONSTRAINT cannot be ...

alter primary key sql server

The only way would be to drop the constraint with an Alter table then recreate it. ... PRIMARY KEY CONSTRAINT cannot be altered, you may only drop it and ... ,The following SQL creates a PRIMARY KEY on the "ID" column when the "Persons" table is created: ... MySQL / SQL Server / Oracle / MS Access: ... Note: If you use the ALTER TABLE statement to add a primary key, the primary key column(s)

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alter primary key sql server 相關參考資料
Change primary key column in SQL Server - Stack Overflow

Assuming that your current primary key constraint is called pk_history, you can replace the following lines: ALTER TABLE history ADD ...

https://stackoverflow.com

How can I alter a primary key constraint using SQL syntax? - Stack ...

The only way would be to drop the constraint with an Alter table then recreate it. ... PRIMARY KEY CONSTRAINT cannot be altered, you may only drop it and ...

https://stackoverflow.com

SQL PRIMARY KEY Constraint - W3Schools

The following SQL creates a PRIMARY KEY on the "ID" column when the "Persons" table is created: ... MySQL / SQL Server / Oracle / MS Access: ... Note: If you use the ALTER TABLE st...

https://www.w3schools.com

SQL PRIMARY KEY 约束 - W3school

MySQL / SQL Server / Oracle / MS Access: ALTER TABLE Persons ADD PRIMARY KEY (Id_P). 如果需要命名PRIMARY KEY 约束,以及为多个列定义PRIMARY ...

http://www.w3school.com.cn

SQL Server: Primary Keys - TechOnTheNet

The syntax to create a primary key using the ALTER TABLE statement in SQL Server (Transact-SQL) is: ALTER TABLE table_name ADD CONSTRAINT ...

https://www.techonthenet.com

SQL 主鍵- 1Keydata SQL 語法教學

主鍵(Primary Key) 中的每一筆資料都是表格中的唯一值。 ... SQL Server: ... 請注意,在用ALTER TABLE 語句來添加主鍵之前,我們需要確認被用來當做主鍵的欄位是 ...

https://www.1keydata.com

修改主索引鍵- SQL Server | Microsoft Docs

開始之前; 使用SQL Server Management Studio; 使用Transact-SQL ... 需要資料表的ALTER 權限。 ... 若要使用Transact-SQL 來修改PRIMARY KEY 條件約束,您必須先刪除現有的PRIMARY KEY 條件約束,然後以新的定義來重新 ...

https://docs.microsoft.com

刪除主索引鍵- SQL Server | Microsoft Docs

開始之前; 使用SQL Server Management Studio; 使用Transact-SQL ... N'TransactionHistoryArchive'; GO -- Delete the primary key constraint.

https://docs.microsoft.com

建立主索引鍵- SQL Server | Microsoft Docs

PRIMARY KEY 條件約束內所定義的所有資料行,都必須定義成NOT NULL。 ... 中的CREATE TABLE 權限及建立資料表的結構描述之ALTER 權限。

https://docs.microsoft.com