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2 years ago

What is the difference between a key and a superkey?

Computers and Technology

1 answer:

netineya [11]2 years ago

4 0

Answer:

Answered below

Explanation:

A key is a single or combination of many attributes that enable us pull a row of data from a table. Keys are identifiers used to get data seamlessly from the database. A key can be a primary key, secondary key, control key, or super key. A super key is a key or set of attributes use to identify tuples in a database. It can contain extra attributes not necessary for uniquely identifying a database.

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Answer:

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Explanation:

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elena-14-01-66 [18.8K]

Answer:

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