How do you enforce uniqueness on a composite index in SQL Server for columns 'FirstName' and 'LastName' in the 'Employees' table? - Study24x7
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How do you enforce uniqueness on a composite index in SQL Server for columns "FirstName" and "LastName" in the "Employees" table?

A

CREATE UNIQUE INDEX ux_name ON Employees(FirstName, LastName)

B

UNIQUE INDEX CREATE Employees(FirstName, LastName)

C

CREATE INDEX UNIQUE Employees ON (FirstName, LastName)

D

INDEX CREATE UNIQUE ON Employees(FirstName, LastName)

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