how to make a column unique in SQL
ALTER TABLE Persons
ADD CONSTRAINT UC_Person UNIQUE (ID,LastName);how to make a column unique in SQL
ALTER TABLE Persons
ADD CONSTRAINT UC_Person UNIQUE (ID,LastName);unique constraint mssql
USE AdventureWorks2012;
GO
CREATE TABLE Production.TransactionHistoryArchive4
(
TransactionID int NOT NULL,
CONSTRAINT AK_TransactionID UNIQUE(TransactionID)
);
GOCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
