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How can you ensure atomicity in a batch create endpoint so that either all items are created or none are?

hard📝 Application Q9 of 15
Rest API - Batch and Bulk Operations
How can you ensure atomicity in a batch create endpoint so that either all items are created or none are?
AUse a database transaction to wrap the entire batch create operation.
BCreate items one by one without rollback on failure.
CReturn success for each item individually without overall status.
DIgnore errors and create as many items as possible.
Step-by-Step Solution
Solution:

  1. Step 1: Understand atomicity concept

    Atomicity means all-or-nothing: either all items are created or none are.

  2. Step 2: Apply atomicity in batch create

    Using a database transaction ensures rollback if any item creation fails.

  3. Final Answer:

    Use a database transaction to wrap the entire batch create operation. -> Option A

  4. Quick Check:

    Atomic batch create = use transaction [OK]
Quick Trick: Wrap batch create in a transaction for atomicity [OK]
Common Mistakes:
MISTAKES
  • Creating items individually without rollback
  • Ignoring errors during batch create
  • Returning partial success without rollback

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