Oracle Corporation specializes in database products and solutions. It has been an industry leader in network computers and has focused much of its attention on high-end workstations and minicomputers as the platforms from which to run its database systems.
Microsoft SQL Server
Microsoft SQL Server is a relational database management system. It’s primary application is the storing and retrieving of data that is requested by other software applications. This can be done internally, over a network, or over the Internet. There are multiple editions of Microsoft SQL Server depending on scalability needs and workload stipulations.
MySQL is a freely available open source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). SQL is the most popular language for adding, accessing and managing content in a database and is renown for its quick processing, proven reliability, and ease of use and flexibility.
IBM DB2 is a family of database server products developed by IBM. These products all support the relational model, but in recent years some products have been extended to support object-relational features and non-relational structures, in particular XML.
Microsoft Access, also known as Microsoft Office Access, is a database management system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools.