WHAT IS PRIMARY KEY???
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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 |
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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