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WHAT IS PRIMARY KEY???

Question Posted / harmeetnamdhari

Answers were Sorted based on User's Feedback



WHAT IS PRIMARY KEY???..

Answer / harmeetnamdhari

A PRIMARY KEY CONSTRAINT UNIQUELY IDENTIFIES EACH RECORDS IN
THE DATA BASE.

A PRIMARY KEY MUST CANTAIN UNIQUE VALUE.

A PRIMARY KEY COLUMN CAN NOT CONTAIN NULL VALUE.

Is This Answer Correct ?    7 Yes 0 No

WHAT IS PRIMARY KEY???..

Answer / guest

It is a unique key which can be used to uniquely identifies
each record in the table

Is This Answer Correct ?    1 Yes 0 No

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