About
A document database is a database that can store and retrieve a document (generally a json document) at once.
The data unit is generally not the record as in a relational database but the document.
You create/update/overwrite documents in a collection.
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Usage
The document model works well with use cases such as:
- catalogs information (product information),
- user profiles,
where each document is unique and evolves over time.
List
Most of the actual database can store document but the first one to support it were nosql database such as:
- Amazon DocumentDb (MongoDbBased)
- Couchbase
- …