Every table in relational database contain a field or combination of fields that can uniquely identify each records it is called

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Question:Every table in relational database contain a field or combination of fields that can uniquely identify each records it is called

1.Foreign key

2.Native key

3.Composite key

4. Primary key

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  1. Every table in relational database contain a field or combination of fields that can uniquely identify each records it is called
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