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What type of integrity is enforced when a primary key is declared?
Updated: 12/22/2022
Wiki User
∙ 12y agoBest Answer
By default a primary key is also a unique constraint, that means only one row can contain a specific value for this key (or no duplicates are allowed). Also an index is automatically created for a primary key allowing efficient access.
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∙ 12y agoThis answer is:
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