AWS Certified Developer Associate DVA-C02 Practice Question
A developer is provisioning a backend service for a social media application that requires quick access to user profiles and connection graphs, with frequent read and write operations. The service must be able to scale with the growing number of users, and the developer needs to manage and maintain the storage solution effectively. Which AWS data store should the developer use to optimize for read/write performance and scalability?
Amazon DynamoDB is the correct choice because it provides fast and predictable performance with seamless scalability. It is a NoSQL database service suited for applications that require consistent, single-digit millisecond latency at any scale, making it ideal for user profiles and connection graphs in a social media application. Other database services mentioned have different primary use cases that may not be optimal for the described scenario or may not provide the same level of performance and scalability as DynamoDB.
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What is NoSQL and how does it differ from SQL databases?
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AWS Certified Developer Associate DVA-C02
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