# What is a document database?
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Some developers don't think of their data model in terms of normalized rows and columns. Typically, in the application tier, data is represented as a JSON document because it is more intuitive for developers to think of their data model as a document. 

The popularity of document databases has grown because they let you persist data in a database by using the same document model format that you use in your application code. Document databases provide powerful and intuitive APIs for flexible and agile development.

**Topics**
+ [Use cases](document-database-use-cases.md)
+ [Understanding documents](document-database-documents-understanding.md)
+ [Working with documents](document-database-working-with-documents.md)

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon DocumentDB. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query documentdb` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).