Compare primary key, candidate key and super key.
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primary key candidate key and superkey what are the different primary key is used which is used as a source to find the data of any person the candidate is a key which is used for per candidate not for searching any data of the persons and societies that writing any detail of the person we got the whole detail
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Primary key is the key used in relational database.
All attributes which constitute primary key are called candidate key.
Super key is a set of one or more attributes which uniquely identify rows in a table .
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