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Anonymous Asked in Cars &Transportation · 2 weeks ago

What are keys in a database?

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A key in DBMS is an attribute or a set of attributes that help to uniquely identify a tuple (or row) in a relation (or table). Keys are also used to establish relationships between the different tables and columns of a relational database. Individual values in a key are called key values. 12 мар. 2021 г.

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