Database
Amazon RDS and Amazon Aurora
Managed relational database services: Amazon RDS manages common database engines, and Amazon Aurora is an AWS-designed relational engine compatible with MySQL and PostgreSQL.
Key points
- Relational databases use structured schemas and SQL relationships.
- Managed services automate infrastructure tasks such as supported backups, patching, and failover options.
- Customers still own data, access control, schema, and query design.
Best-known use cases
- Run a managed relational database.
- Use Aurora when an AWS-designed MySQL- or PostgreSQL-compatible relational engine fits.
What candidates often confuse it with
- RDS/Aurora are relational; DynamoDB is NoSQL key-value/document.
- ElastiCache is an in-memory cache, not a durable relational system of record.
- A database on EC2 gives more operating-system control but more management responsibility.
Key Cloud Practitioner takeaway
Structured relational data and managed database operations point to RDS or Aurora.
Related services
- Amazon DynamoDB
- Amazon ElastiCache
- AWS DMS and AWS SCT
Relevant exam tasks
- D2.1
- D3.4