Which AWS service provides a managed PostgreSQL database suitable for online transaction processing (OLTP)?
Choose an answer
Tap an option to check your answer.
Correct answer: Amazon RDS.
Why this is the answer
Amazon Relational Database Service (RDS) is a managed service that makes it easy to set up, operate, and scale a relational database in the cloud. It supports several database engines, including PostgreSQL, making it an ideal choice for online transaction processing (OLTP) workloads due to its focus on high availability, scalability, and performance for transactional data. Amazon DynamoDB is a NoSQL database service, not a relational database, and is better suited for non-relational data models. Amazon Athena is an interactive query service that allows you to analyze data directly in Amazon S3 using standard SQL, not a managed database service for OLTP. Amazon EMR is a big data processing service for running frameworks like Apache Spark and Hadoop, not a relational database for OLTP.
Pass your exam — without the endless answer hunt
Get every verified question and explanation for this exam in one place, and save hours of prep. 1,000+ certifications · 20+ languages · free to start.
Pass your exam faster → No card needed