SERVICE DOMAIN
Database
Relational and non-relational data services.PUBLIC NOTES
Knowledge Notes
Amazon Aurora
A MySQL/PostgreSQL-compatible cloud-native relational database with separated compute and distributed cluster storage.
→Amazon DynamoDB
A serverless key-value/document database designed around primary-key access patterns, automatic scaling, and low latency.
→Amazon ElastiCache
Managed in-memory caching of hot data with Valkey, Redis OSS, or Memcached.
→Amazon Keyspaces
A serverless, managed wide-column database for Cassandra-compatible workloads.
→Amazon RDS
Managed relational engines such as MySQL and PostgreSQL with reduced infrastructure, patching, and backup operations.
→AWS Database Interview Guide
Choose RDS, Aurora, DynamoDB, and caching services through data model, access pattern, scaling, availability, and recovery.
→Amazon DocumentDB
A managed database for semi-structured JSON-like documents and MongoDB-compatible workloads.
→Amazon Managed Blockchain
Managed blockchain capabilities for shared, verifiable, tamper-resistant records across organizations.
→Amazon Neptune
A managed graph database for expressing and traversing complex relationships with vertices, edges, and properties.
→Amazon Redshift
AWS cloud data warehouse for long-running, frequent, and complex analytical SQL and BI workloads.
→Amazon Timestream
A serverless time-series database designed for IoT and operational data.
→DynamoDB Accelerator (DAX)
A managed in-memory cache compatible with DynamoDB APIs that reduces repeated eventually consistent reads to microseconds.
→TOPIC INDEX