Which one of the following uniquely identifies the elements in the relation? Options: A . &nbspSecondary Key B . &nbspPrimary key C . &nbspForeign key D . &nbspComposite key

Which one of the following uniquely identifies the elements in the relation?

Question - Which one of the following uniquely identifies the elements in the relation?

Options:

A . Secondary Key

B . Primary key

C . Foreign key

D . Composite key

Answer: Option B

Primary keyPrimary key checks for not null and uniqueness constraint

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