[Solved] Why might a bulk import API silently overwrite existing records without error? — Ans: Because the API uses the record ID as a unique key and updates duplicates. | Rest API

Rest API - Batch and Bulk Operations

Why might a bulk import API silently overwrite existing records without error?

ABecause the API rejects all duplicates with an error.

BBecause the API only appends new records without checking.

CBecause the API ignores the ID field completely.

DBecause the API uses the record ID as a unique key and updates duplicates.

Step-by-Step Solution

Solution:

Step 1: Understand record uniqueness in bulk import
APIs often use record IDs as unique keys to identify existing records.
Step 2: Explain silent overwrite
If a record with the same ID exists, the API updates it instead of creating a new one.
Final Answer:
Because the API uses the record ID as a unique key and updates duplicates. -> Option D
Quick Check:
Duplicate IDs cause silent update in bulk import [OK]

Quick Trick: Duplicate IDs update existing records silently [OK]

Common Mistakes:

MISTAKES

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Why might a bulk import API silently overwrite existing records without error?