Summary

• DynamoDB is an easy-to-use and fully managed NoSQL database service.
• A NoSQL database provides a way to store and retrieve data that is in a non-tabular format.
• There are basically four types of NoSQL databases, that is, key-value pair databases, document databases, graph databases, and wide column stores.
• A key-value pair database uses a very simple data model that stores data in a pair of unique keys and the associated value.
• A document database stores data elements in a structure that represents a document-like format, such as JSON, XML, or YAML.
• A graph database is a NoSQL database type that uses graph structures and stores related data in nodes.
• The wide column database is a type of NoSQL database that stores data using a column-oriented model.
• DynamoDB supports key-value and document data models.
• DynamoDB allows you to scale up or down a table's read/write...