Database Management Systems · Distributed systems

NoSQL data models

Alternatives to tables: documents, key-value pairs, wide columns, or graphs, each suited to a different access pattern.

Also known as: document stores, key-value stores, wide-column stores, graph databases.

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• Relational model: Data as tables of rows and columns, with no other structure implied.

Related topics

• Distributed databases: A database whose data lives across multiple machines instead of one.
• Data warehousing and OLAP: A separate database optimized for big analytical queries over historical data, not fast day-to-day transactions.