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Database systems may have to delay some requests if they receive ____ requests from different users, so they can preserve data consistency

9. Database systems may have to delay some requests if they receive ____ requests from different users, so they can preserve data consistency.

  1. Consecutive
  2. Simultaneous
  3. Concurrent
  4. None

Answer: C) Concurrent

Explanation:

Database systems may have to delay some requests if they receive concurrent requests from different users, so they can preserve data consistency.

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