How to use DynamoDB Stream to trigger events nearly real-time data when DynamoDB table items are changed

Using Amazon DynamoDB and Amazon DynamoDB Stream can be a very nice way to track all events happing in a single DynamoDB table if you need to do something on it, can be a way around inner joins, dump backup of all entries into a version database, S3 bucket or what else you can think about here, it's only your free…