AWS - DynamoDB
If a DynamoDB Stream is set with StreamViewType NEW_AND_OLD_IMAGES, what will a stream record contain after a delete operation?
If a DynamoDB Stream is set with StreamViewType NEW_AND_OLD_IMAGES, what will a stream record contain after a delete operation?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand NEW_AND_OLD_IMAGES behavior on delete
On delete, only the old image exists because the item is removed.Step 2: Identify stream record content
The stream record contains only the old image of the deleted item.Final Answer:
Only the old image of the deleted item -> Option DQuick Check:
Delete event with NEW_AND_OLD_IMAGES = old image only [OK]
Quick Trick: Delete events have only old image in NEW_AND_OLD_IMAGES streams [OK]
Common Mistakes:
- Expecting new image on delete
- Thinking both images exist after delete
- Assuming no data recorded on delete
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