DynamoDB
Amazon DynamoDB is a fully managed AWS NoSQL database service for storing and retrieving key-value and document data at scale.
Amazon Web Services in Action, Third Edition: An in-depth guide to AWS
Amazon DynamoDB is a managed NoSQL database service providing low-latency access to scalable key-value and document data.
- How it is used
- Uses DynamoDB as a managed storage backend for task data and web-service process records.
- How deep it goes
- Works through SDK item operations, retrieval choices, and operational decisions; does not treat DynamoDB as a drop-in SQL replacement.
- Examples
- Builds a Node.js task CLI and stores image-processing records for an Express web service.
- What you can do after
- Build it from scratch using the AWS SDK to store and retrieve items, then operate it with capacity monitoring and backups.
Read how Amazon Web Services in Action, Third Edition: An in-depth guide to AWS explains DynamoDB →
ScyllaDB in Action
Amazon DynamoDB is a fully managed cloud key-value and document database service.
- How it is used
- Provides a DynamoDB-compatible client API for applications using ScyllaDB.
- How deep it goes
- Defines DynamoDB briefly, then stops short of detailed treatment while contrasting its API with ScyllaDB internals and guarantees.
- Examples
- Uses the DynamoDB client, Alternator protocol, and read-modify-write operations as concrete integration examples.
- What you can do after
- Evaluate whether a DynamoDB-compatible API suits ScyllaDB, while recognizing when CQL or lightweight transactions are preferable.
Related concepts
- key-value storekind of · A key-value store is a data-storage system that associates keys with values and supports storing, retrieving, or updating values by key.
- joincontrasts with · A join is an operation that combines records or rows from multiple data sources according to specified matching conditions or relationships.
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