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How can you combine DynamoDB Streams with AWS Step Functions to build a resilient event-driven workflow?

hard🚀 Application Q9 of 15
DynamoDB - with Serverless
How can you combine DynamoDB Streams with AWS Step Functions to build a resilient event-driven workflow?
AUse Step Functions to replace DynamoDB Streams
BDirectly connect DynamoDB Streams to Step Functions without Lambda
CTrigger Step Functions executions from Lambda processing stream events
DStore Step Functions state in DynamoDB Streams
Step-by-Step Solution
Solution:
  1. Step 1: Understand integration options

    DynamoDB Streams trigger Lambda functions on data changes.
  2. Step 2: Use Lambda to start Step Functions

    Lambda can start Step Functions executions to orchestrate workflows.
  3. Final Answer:

    Trigger Step Functions executions from Lambda processing stream events -> Option C
  4. Quick Check:

    Lambda triggers Step Functions = Trigger Step Functions executions from Lambda processing stream events [OK]
Quick Trick: Use Lambda as bridge to Step Functions [OK]
Common Mistakes:
MISTAKES
  • Trying to connect streams directly to Step Functions
  • Replacing streams with Step Functions incorrectly
  • Storing state in streams which is not supported

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