December 2017
Intermediate to advanced
404 pages
9h 28m
English
Content preview from Cloud Native Programming with Golang
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DynamoDB streams
In Chapter 8, AWS II - S3, SQS, API Gateway, and DynamoDB, we covered the popular AWS DynamoDB service. We learned what DynamoDB is, how it models data, and how to write Go applications that can harness DynamoDB's power.
There is one powerful feature of DynamoDB that we didn't get a chance to cover in this book, which is known as DynamoDB streams. DynamoDB streams allow us to capture changes that happen to items in a DynamoDB table, at the same time the change occurs. In practice, this means that we can react to data changes that happen to the database in real time. As usual, let's take an example to solidify the meaning.
Assume that we are building the cloud native distributed microservices application that powers a large ...
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