types of keys
04/08/2022 Education - Training
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Description
A key is a single or combination of multiple fields in a table. It is used to fetch or retrieve records/data rows from the data table according to the condition/requirement. Keys are also used to create a relationship among different database tables or views.
types of keys : SQL provides different types of keys such as super key, candidate key, primary key, foreign key, alternate key, compound key, composite key, and so on.
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Bhavik Kumar
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