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CBSE Class 11 Informatics Practices Question 33 of 85

Database Concepts — Question 16

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16
Question

Question 16

Candidate Key - Primary Key = ............... .

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

Alternate Key

Reason — Candidate Key - Primary Key = Alternate Key. A candidate key that is not chosen as the primary key is called an alternate key.