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CBSE Class 11 Informatics Practices Question 24 of 85

Database Concepts — Question 7

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7
Question

Question 7

............... is a set of one or more attributes that can uniquely identify tuples within the relation.

  1. Primary Key
  2. Alternate Key
  3. Candidate Key
  4. Foreign Key
Answer

Primary Key

Reason — A primary key is a set of one or more attributes/fields which uniquely identifies a tuple/row in a table.