AWS Certification Practice Exam 2025 – The All-in-One Resource to Master Your Certification!

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Which of the following is NOT a relational database that can be used with Amazon RDS?

MySQL

MariaDb

Elasticache

Amazon RDS (Relational Database Service) is a managed service that supports various relational database engines. MySQL, MariaDB, and Oracle are all database engines that can be deployed and managed using Amazon RDS. They adhere to the relational model, where data is structured in tables, and SQL (Structured Query Language) is used for querying and managing that data.

ElastiCache, on the other hand, is not a relational database. It is a web service designed to provide in-memory caching solutions using technologies like Redis and Memcached. ElastiCache is used primarily to optimize the performance of web applications by storing frequently accessed data in memory, rather than as a traditional database that organizes data in a structured way with relationships and SQL queries. Thus, it does not fit the profile of a relational database that would be compatible with Amazon RDS.

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Oracle

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