Which one below is an example of a NoSQL database?

Which one below is an example of a NoSQL database?

  1. a) MySQL
  2. b) MongoDB
  3. c) Oracle
  4. d) PostgreSQL

From the BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 34 of 123.

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