O PostgreSQL é um SGBD (Sistema Gerenciador de Banco de Dados) objeto-relacional de código aberto, com mais de 15 anos de desenvolvimento. É extremamente robusto e confiável, além de ser extremamente flexível e rico em recursos. Ele é considerado objeto-relacional por implementar, além das características de um SGBD relacional, algumas características de orientação a objetos, como herança e tipos personalizados. A equipe de desenvolvimento do PostgreSQL sempre teve uma grande preocupação em manter a compatibilidade com os padrões SQL92/SQL99.

O Banco de Dados Oracle 11g amplia a capacidade exclusiva da Oracle de oferecer os benefícios do grid computing com mais autogerenciamento e automação, facilitando aos clientes: - Inovar mais rápido e com confiança, usando Real Application Testing - Gerenciar mais dados gastando menos, com avançado particionamento e compressão de tabelas - Proteger os dados com segurança e possibilitar o cumprimento das regulamentações com registro total (inglês) dos dados - Integrar conteúdo especial em 3D e rich media aos processos de negócios

MySQL AB develops and markets a family of high performance, affordable database servers and tools. Our mission is to make superior data management available and affordable for all. We contribute to building the mission-critical, high-volume systems and products worldwide.

MySQL AB is defining a new database standard. This is based on its dedication to providing a less complicated solution suitable for widespread application deployment at a greatly reduced TCO. MySQL's robust database solutions embody an ingenious software architecture while delivering dramatic cost savings. With superior speed, reliability, and ease of use, MySQL has become the preferred choice of corporate IT Managers because it eliminates the major problems associated with downtime, maintenance, administration and support.

MySQL is a key part of LAMP (Linux, Apache, MySQL, PHP / Perl / Python), a fast growing open source enterprise software stack. More and more companies are using LAMP as an alternative to expensive proprietary software stacks because of its lower cost and freedom from lock-in.

SQL Server 2005 is a comprehensive database platform providing enterprise-class data management with integrated business intelligence (BI) tools. The SQL Server 2005 database engine provides more secure, reliable storage for both relational and structured data, enabling you to build and manage highly available, performant data applications that you and your people can use to take your business to the next level.

The SQL Server 2005 data engine lies at the core of this enterprise data management solution. Additionally, SQL Server 2005 combines the best in analysis, reporting, integration, and notification. This enables your team to build and deploy cost-effective BI solutions with which they can drive data into every corner of your business through scorecards, dashboards, Web services, and mobile devices.

Close integration with Microsoft Visual Studio, the Microsoft Office System, and a suite of new development tools, including the Business Intelligence Development Studio, sets SQL Server 2005 apart. Whether you are a developer, database administrator, information worker, or decision maker, SQL Server 2005 provides innovative solutions that help you gain more value from your data.

Firebird is a relational database offering many ANSI SQL standard features that runs on Linux, Windows, and a variety of Unix platforms. Firebird offers excellent concurrency, high performance, and powerful language support for stored procedures and triggers. It has been used in production systems, under a variety of names since 1981. rn

rnFirebird is a commercially independent project of C and C++ programmers, technical advisors and supporters developing and enhancing a multi-platform relational database management system based on the source code released by Inprise Corp (now known as Borland Software Corp) on 25 July, 2000 under the InterBase Public License v.1.0. rn

rnFirebird is completely free of any registration, licensing or deployment fees. It may be deployed freely for use with any third-party software, whether commercial or not.