Global Databases Usage Statistics and Market Share

MySQL is an open source relational database management system (RDBMS) based on Structured Query Language (SQL). It is one of the most popular RDBMSs and is used to store, organize, and retrieve data for a wide variety of applications. MySQL is used by many web-based applications, including WordPress, Drupal, and other content management systems. It is also used in many enterprise applications, such as banking, shopping, and e-commerce systems. MySQL is easy to use and can be quickly set up and configured on most operating systems. It is highly secure and supports a wide range of features that make it a robust and reliable database solution.

Firebase is a mobile and web application development platform developed by Firebase, Inc. in 2011, then acquired by Google in 2014.

Redis is an in-memory data store used as a database, cache, and message broker, known for its high performance and durability. Redis supports various data structures and offers advanced features like clustering, persistence, and transactional semantics. It is widely used in web applications for session management, real-time analytics, and other high-concurrency use cases.

MariaDB is a community-developed, commercially supported fork of the MySQL relational database management system (RDBMS), intended to remain free and open-source software under the GNU General Public License.

Percona delivers enterprise-class software, support, consulting and managed services for both MySQL and MongoDB across traditional and cloud-based platforms.

PostgreSQL 9.6 is a powerful, open source object-relational database system. It has more than 30 years of active research and real-world use behind it. It runs on all major operating systems, including Linux, Unix, and Windows. To connect to the database, one would typically use a client application or command line interface.

MongoDB is a highly scalable, high-performance, open-source, document-oriented database that stores data in flexible, JSON-like documents. It is designed for ease of use and can handle a wide variety of data types, making it ideal for applications with complex data models or unstructured data. It provides high availability and easy replication, making it a popular choice for web and mobile applications.

SQLite is a lightweight, self-contained, and serverless relational database management system. It is widely used for applications requiring a robust and efficient database without the overhead of a separate database server. SQLite stores data in a file on the file system, making it easy to deploy and manage.

Lucene is an open-source search engine library that enables the building of high-performance search functionalities into applications, without managing the underlying database. It focuses on full-text search capabilities and is used extensively in various software systems for indexing, searching, and retrieving documents or data. It does not directly interact with databases, but can be integrated with them to power search features.

Solr is an open-source, enterprise search platform built on Apache Lucene, designed for search and retrieval of structured and unstructured data, supporting advanced querying, indexing, and distributed search capabilities. It's widely used for building scalable, performant search applications in various database environments.

PouchDB is a lightweight, self-hosted JavaScript database that runs both in the browser and Node.js. It is designed to work seamlessly with CouchDB and provides a CouchDB-compatible API. PouchDB allows developers to store and query data locally, making it ideal for offline-first applications.

Virtuoso is an advanced, high-performance, open-source database management system that supports multiple data models and integrates with a wide range of programming languages and applications, offering powerful semantic and RDF capabilities for data storage and querying.