When a DynamoDB Stream is configured with StreamViewType=OLD_IMAGE, what data does the Lambda function receive upon an item deletion?

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DynamoDB - with Serverless

When a DynamoDB Stream is configured with StreamViewType=OLD_IMAGE, what data does the Lambda function receive upon an item deletion?

AThe new item image after deletion (empty)

BThe entire item as it appeared before deletion

COnly the keys of the deleted item

DNo data is sent to Lambda on deletion

Step-by-Step Solution

Solution:

Step 1: Understand StreamViewType=OLD_IMAGE
This setting sends the item image before the change.
Step 2: Consider the deletion event
On deletion, the old image contains the full item before it was deleted.
Final Answer:
The entire item as it appeared before deletion -> Option B
Quick Check:
OLD_IMAGE sends pre-change data including deletions [OK]

Quick Trick: OLD_IMAGE streams pre-change item data including deletions [OK]

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