what is mean by prmary key and foreign key and how can we
diffrentiate that?
Please answer me.
Advance thanks.
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Answer Posted / nimmi
PRIMARY KEY : IS THE UNIQUE KEY OF A SINGLE TABLE THAT IS
THE UNIQUE IDENTIFICATION OF THE SAME TABLE.
FOREIGN KEY: MEANS A UNIQUE KEY IDENTIFICATION COMMON TO TWO
TABLES .
| Is This Answer Correct ? | 4 Yes | 1 No |
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