MySQL is used to construct and maintain everything from customer-facing web applications to complex, data-driven B2B services in many of the most prominent software stacks. MySQL backends are used by internet-critical businesses such as Facebook, Flickr, Twitter, Wikipedia, and YouTube due to its open-source nature, stability, and broad feature set, as well as continued development and support from Oracle.

Microsoft SQL Server is a relational database management system that Microsoft has created. It is a database server, which is a software product whose principal role is to store and retrieve data as required by other software applications, which may run on the same computer or on a networked computer (including the Internet).

The Db2 relational database is part of the IBM Db2 family of data management tools. The products include AI-powered capabilities to modernise structured and unstructured data management across on-premises and multicloud environments. The Db2 family helps your organisation explore the value of AI by making your data simple and accessible.