The purpose of the primary key in a database is to[IBPS Clerk 2015] – McqOptions

MCQOPTIONS

1.	The purpose of the primary key in a database is to[IBPS Clerk 2015]
A.	unlock the database
B.	provide a map of the data
C.	uniquely identity a record
D.	establish constraints on database operations
E.	None of the above
Answer» D. establish constraints on database operations

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