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Types of NoSQL databases
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    NoSQL databases are designed to handle large volumes of unstructured or semi-structured data, offering scalability and flexibility for modern applications. They can be categorized into several types based on their data models and use cases.

    Document-Based Databases These databases store data in documents, typically in formats like JSON, BSON, or XML. They are schema-flexible, allowing documents to have varying structures. Document databases are ideal for content management, user profiles, and product catalogs. Examples include MongoDB, CouchDB, and Firebase Firestore.

    Key-Value Stores Key-value stores are the simplest form of NoSQL databases, storing data as key-value pairs. They are highly efficient for fast lookups, caching, and real-time applications. Popular examples include Redis, Memcached, and Amazon DynamoDB.

    Column-Oriented Databases These databases store data in columns rather than rows, making them suitable for analytical queries and big data workloads. They support high scalability and efficient data compression. Examples include Apache Cassandra, Google Bigtable, and HBase.

    What is the difference between NoSQL and SQL?
    NoSQL, as opposed to SQL, is a database management approach, whereas SQL is just a query language, similar to the query languages of NoSQL databases. Over time, four major types of NoSQL databases have emerged: document databases, key-value databases, wide-column stores, and graph databases.
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    Types of NoSQL Databases and How to Use Them - DataCamp
  1. GeeksForGeeks
    https://www.geeksforgeeks.org › dbms › types-of-nosql-databases

    Types of NoSQL Databases - GeeksforGeeks

    Aug 6, 2025 · NoSQL databases handle large volumes of unstructured and semi-structured data, offering the scalability and flexibility today’s diverse workloads demand. NoSQL databases can be classified …

    • NoSQL databases handle large volumes …

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  2. DataCamp
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    Types of NoSQL Databases and How to Use Them - DataCamp

    Jun 24, 2022 · NoSQL stands for Not Only SQL, meaning that NoSQL databases have the specificity of not being relational because they can store data in an unstructured format. The following graphic …

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    NoSQL databases: Types, use cases, and 8 databases to try in 2025

    NoSQL databases emerged as a response to the increasing complexity and volume of digital data, which traditional databases could not efficiently support. NoSQL databases follow various models—key …

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    NoSQL Databases List (24 Most Popular NoSQL Databases)

    Jun 8, 2021 · There are several types of NoSQL databases, each with a unique approach to data modeling and different uses cases. In this tutorial, we will provide a brief overview of multiple NoSQL …

  6. MongoDB
    https://www.mongodb.com › resources › basics › databases › nosql-explained

    What Is NoSQL? NoSQL Databases Explained | MongoDB

    NoSQL databases come in a variety of types, including document stores, key-values databases, wide-column stores, graph databases, and multi-model databases. MongoDB is the world's most popular …

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    What Is NoSQL? Types of NoSQL Databases and Key Features Explained

    Apr 6, 2025 · Learn what NoSQL databases are, how they differ from SQL, and explore key types like document, key-value, column, and graph databases with examples.

  8. Wikipedia
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    NoSQL - Wikipedia

    Unlike relational databases, which organize data into rows and columns like a spreadsheet, NoSQL databases use a single data structure—such as key–value pairs, wide columns, graphs, or documents …

  9. JavaTechOnline
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    Types Of NoSQL Databases and Examples - JavaTechOnline

    Apr 1, 2024 · NoSQL databases provide flexible, scalable alternatives to relational databases by using different data models tuned for specific application needs. This guide explains the primary NoSQL …

  10. Spiceworks
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    NoSQL Basics: Features, Types, and Examples - Spiceworks

    Oct 18, 2022 · NoSQL databases are defined as non-tabular databases that handle data storage differently as compared to relational tables. NoSQL database types are classified according to the …

  11. InterSystems
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    NoSQL Databases Explained: Advantages, Types, and Use Cases

    NoSQL databases are non-relational databases that handle unstructured data or semi-structured data sets. Businesses across several industries use many types of NoSQL data models like document …