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Computer Science Medium CSS FPSC Uploaded: 20 Jun 2026

What is the purpose of an index in a database?

  • A Reduce security
  • B Improve query performance
  • C Store backups
  • D Encrypt records
Correct Answer: Option B — Improve query performance
Explanation:
Indexes improve retrieval speed by allowing databases to locate records efficiently.
Submitted by: PaperMCQs
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