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CBSE Class 12 Computer Science Question 66 of 78

Relational Databases — Question 8

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Question

Question 8

An attribute in a relation is a foreign key if it is the ............... key in any other relation.

  1. Candidate
  2. Primary
  3. Super
  4. Sub
Answer

Primary

Reason — A non-key attribute, whose values are derived from the primary key of some other table, is known as foreign key in its current table.