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Why is DynamoDB often paired with AWS Lambda in serverless applications?

easy🧠 Conceptual Q11 of 15
DynamoDB - with Serverless
Why is DynamoDB often paired with AWS Lambda in serverless applications?
ABecause Lambda can automatically run code when DynamoDB data changes
BBecause DynamoDB requires Lambda to store data
CBecause Lambda stores data faster than DynamoDB
DBecause DynamoDB and Lambda are both relational databases
Step-by-Step Solution
Solution:

  1. Step 1: Understand DynamoDB's role

    DynamoDB stores data quickly and scales automatically without needing servers.

  2. Step 2: Understand Lambda's role

    Lambda runs code automatically in response to events, such as changes in DynamoDB data.

  3. Final Answer:

    Because Lambda can automatically run code when DynamoDB data changes -> Option A

  4. Quick Check:

    Event-driven code execution = C [OK]
Quick Trick: Remember: Lambda reacts to DynamoDB events automatically [OK]
Common Mistakes:
MISTAKES
  • Thinking DynamoDB needs Lambda to store data
  • Confusing Lambda as a database
  • Believing both are relational databases

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