DynamoDB – AWS’s managed NoSQL database service.
Amazon DynamoDB is a fully managed NoSQL database service offering consistent single-digit millisecond performance at any scale. It features automatic scaling of throughput capacity, built-in security, backup and restore, and in-memory caching through DAX. DynamoDB supports both document and key-value data models, provides global tables for multi-region deployment, and offers point-in-time recovery. The service includes transactions for multiple item operations, TTL for automatic item deletion, and Streams for capturing table changes.