unique constraint mssql
USE AdventureWorks2012;
GO
CREATE TABLE Production.TransactionHistoryArchive4
(
TransactionID int NOT NULL,
CONSTRAINT AK_TransactionID UNIQUE(TransactionID)
);
GOunique constraint mssql
USE AdventureWorks2012;
GO
CREATE TABLE Production.TransactionHistoryArchive4
(
TransactionID int NOT NULL,
CONSTRAINT AK_TransactionID UNIQUE(TransactionID)
);
GOalter unique key sql query
ALTER TABLE Product ADD CONSTRAINT AK_Product_ProductCode UNIQUE( ProductCode )
ALTER TABLE Product ADD CONSTRAINT AK_Product_ProductStamp UNIQUE( ProductStamp )Copyright © 2021 Codeinu
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