9.2.4

Document Databases

• Definition: A type of non-relational database used to manage data that cannot be organized into traditional tabular formats.

Characteristics

• Documents are stored in flexible formats and can contain complex data types, such as nested files and arrays.

• Example: The file system on a computer resembles a document database.

Comparison with Relational Databases

• Storage: Document databases can store multiple pieces of information in a single field unlike relational databases.

• Data Format: Uses JSON or XML for data storage, contrasting with the row-column structure of relational databases.

Features of Document Databases

• Flexibility: Documents can consist of varied fields within the same collection.

• Searchability: Advanced search capabilities to navigate through unstructured data.

• Natural Data Representation: Easier to represent data such as company inventories or blog posts in a natural manner.