Western Governors University (WGU) ITEC2119 D282 Cloud Foundations Practice Exam

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What type of database is Amazon DynamoDB?

A relational database

A key-value and document database

Amazon DynamoDB is classified as a key-value and document database. This means it is designed to store data in a format that allows for flexible and scalable management of data objects, where each item in the database can be uniquely identified by a key. This structure is advantageous for applications that require high throughput and low latency data access.

The key-value aspect of DynamoDB allows for the storage of data as pairs of keys and values, making it easy to retrieve and manage items in a denormalized format. Additionally, its capability to function as a document database means it can handle complex data structures such as JSON documents, allowing for nested attributes and varied data types within the same database.

This versatility is particularly useful in modern applications that often require rapid scaling and the ability to handle diverse types of data effectively. By blending both the key-value store and the document database features, DynamoDB provides developers with a robust and efficient database solution suitable for a wide range of use cases, including mobile applications, gaming, and IoT.

An in-memory database

A column-family database

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