Modern applications need to store and process many different types of data. From files to streams, to relational data, to simple values; each type of data has an appropriate backend store that can be used in AWS. Amazon DynamoDB is a NoSQL database service that can be a great fit for an application requiring a backend that can store many NoSQL-compatible data types with reliable performance at scale. 

The following topics will be covered in this chapter:

• Introduction to DynamoDB
• ACID versus BASE
• Relational versus non-relational DB
• How DynamoDB works
• DynamoDB core concepts
• Read consistency
• Creating a DynamoDB table
• DynamoDB provisioned throughput
• DynamoDB partitions and distribution
• Accessing DynamoDB
• User authentication and access control
• DynamoDB service ceiling