AWS Certified Cloud Practitioner
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Ultimate access to all questions.
Which AWS service is suitable for migrating an on-premises PostgreSQL database to the cloud without altering access queries and ensuring maximum query performance?
A
Amazon RDS for PostgreSQL, offering compatibility with existing PostgreSQL apps and automatic hardware resource scaling based on workload.
B
Amazon Aurora PostgreSQL, a managed service compatible with PostgreSQL, providing enhanced performance and scalability, but may require query modifications.
C
Amazon DocumentDB, a MongoDB-compatible document database, offering fast performance at scale but not compatible with PostgreSQL.
D
Amazon DynamoDB, a NoSQL database service with fast, scalable performance, incompatible with PostgreSQL and requiring a different data model and query language.