Biology, asked by pri03sha08, 11 months ago

explain a key in brief​

Answers

Answered by RewelDeepak
0

Explanation:

A Key is a data item that exclusively identifies a record. In other words, key is a set of column(s) that is used to uniquely identify the record in a table. It is used to fetch or retrieve records / data-rows from data table according to the condition/requirement.

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