Oracle

Oracle Database 10g, the industry's first database designed for grid computing, is available in a choice of editions: Express Edition, Standard Edition One, Standard Edition, and Enterprise Edition. All editions are built using the same common code base, which means your database applications can easily scale from small, single processor servers to clusters of multi-processor servers without changing a line of code.

Additional options for enhanced performance, scalability, availability, security and manageability are available with Oracle Database 10g Enterprise Edition. Whether you're a lone developer, small and midsize business, or large corporate enterprise, there's an edition of the world's #1 database tailored to meet your business and technical requirements