Do primary key values have to be unique? Do alternate key values have to be uni

Do primary key values have to be unique? Do alternate key
values have to be unique?

Question Posted / guest

Do primary key values have to be unique? Do alternate key values have to be unique?..

Answer / guest

Primary key values must be unique; alternate key values need
not be.

Is This Answer Correct ?

12 Yes

2 No

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