Question

A combination of field used as primary key is called​

Answer 1

Explanation:

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Answer 2

Answer:

A primary key is a field in a table which uniquely identifies each row/record in a database table. When multiple fields are used as a primary key, they are called a composite key. If a table has a primary key defined on any field(s), then you cannot have two records having the same value of that field(s).

Explanation:

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