What type of join is needed when you wish to include rows that do not have matching values?

What type of join is needed when you wish to include rows that do not have matching values?

  1. a) Equal join
  2. b) Natural join
  3. c) Outer join
  4. d) Inner join

From the NPCBL Executive Trainee (CSE) 2023 – Preliminary exam, question 28 of 39.

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