Is a super key a primary key?
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All the keys that are unique and can be differentiated upon in the table. The super key is a primary key with additional attributes, this extra information is used to uniquely identify an instance of the entity set. A candidate key is the most minimal subset of fields that uniquely identifies a tuple.
2023-05-15 16:07:26
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Lucas Parker
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All the keys that are unique and can be differentiated upon in the table. The super key is a primary key with additional attributes, this extra information is used to uniquely identify an instance of the entity set. A candidate key is the most minimal subset of fields that uniquely identifies a tuple.