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Why is it important to handle race conditions in availability checking systems?

hard🧠 Conceptual Q10 of Q15
LLD - Design — Hotel Booking System
Why is it important to handle race conditions in availability checking systems?
ATo reduce the size of the database
BTo improve the visual design of the user interface
CTo prevent multiple users from booking the same resource simultaneously
DTo speed up network connections
Step-by-Step Solution
Solution:

  1. Step 1: Understand race conditions in availability

    Race conditions occur when multiple users try to book the same resource at the same time.

  2. Step 2: Identify the impact

    Without handling, double bookings or inconsistent states happen.

  3. Final Answer:

    To prevent multiple users from booking the same resource simultaneously -> Option C

  4. Quick Check:

    Race conditions cause double bookings if unchecked [OK]
Quick Trick: Race conditions cause double bookings; handle carefully [OK]
Common Mistakes:
MISTAKES
  • Confusing race conditions with UI issues
  • Thinking it reduces DB size
  • Assuming it affects network speed

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