Which of the below is responsible for controlling the interaction among simultaneous transactions?

Which of the below is responsible for controlling the interaction among simultaneous transactions?

  1. a) Serializable controller
  2. b) Concurrency Control Manager
  3. c) Transportation management system
  4. d) Multiple Access Protocol

From the Sonali & Janata Bank Assistant Database Administrator September 2021 – Preliminary (AUST) exam, question 48 of 93.

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