primary key is not accept the null value.primary key is always autoincrem

What?s the difference between PRIMARY KEY and UNIQUE in
MyISAM?

Question Posted / niraj kumar

Answer Posted / niraj kumar

primary key is not accept the null value.primary key is
always autoincrement.unique key is accept the one null
value.it is not a autoincrement.

Is This Answer Correct ?

4 Yes

15 No

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