Online ER Diagrams
Database Diagram Samples
A list of entity relationship diagrams and examples of database structures, mostly open source systems or samples, that allow you to store data in MariaDB, MySQL, PostgreSQL, SQL Server or SQLite databases.
Resizable
Interactive
Searchable
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AdventureWorks – diagram
Read more: AdventureWorks – diagramMicrosoft has made available an example database called AdventureWorks that is intended for testing and demonstrating different Microsoft SQL Server functionalities.
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osTicket
Read more: osTicketby osTicket.com: osTicket is a robust customer support portal system to help your business maintain happy customer relationships.
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Pagila – online ER diagram
Read more: Pagila – online ER diagramPagila is a port of the Sakila example database available for MySQL, which was originally developed by Mike Hillyer of the MySQL AB documentation team. It is intended to provide a standard schema that can be used for examples in books, tutorials, articles, samples, etc.
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Drupal CMS – online ER diagram
Read more: Drupal CMS – online ER diagramDrupal is content management software. It’s used to make many of the websites and applications you use every day. Drupal has great standard features, like easy content authoring, reliable performance, and excellent security.
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MediaWiki – online ER diagram
Read more: MediaWiki – online ER diagramMediaWiki is a collaboration and documentation platform. See the database structure in a form of an entity relationship diagram.
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Joomla! CMS – online ER diagram
Read more: Joomla! CMS – online ER diagramJoomla! is a free and open-source content management system (CMS) for publishing web content…
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WordPress CMS – online ER diagram
Read more: WordPress CMS – online ER diagramAccording to WordPress.com: WordPress is open source software you can use to create a beautiful website, blog, or app. See the ERD here.
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SuiteCRM – online ER diagram
Read more: SuiteCRM – online ER diagramFrom suiteCRM.com: Feature-rich enterprise-ready alternative to Salesforce provides all the benefits of CRM at substantially lower costs with the freedoms and flexibility of Open Source.
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OpenCart – online ER diagram
Read more: OpenCart – online ER diagramBy OpenCart.org: Opencart is an easy to-use, powerful, Open Source online store management program that can manage multiple online stores from a single back-end
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phpBB forum – database diagram
Read more: phpBB forum – database diagramBy phpbb.com: phpBB is a free flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website.
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Moodle – online ER diagram
Read more: Moodle – online ER diagramFrom moodle.org: Moodle is a learning platform designed to provide educators, administrators and learners with a single robust, secure and integrated system to create personalised learning environments.