SQL Server 2005 is Microsoft's next-generation data management and analysis software that will deliver increased scalability, availability, and security to enterprise data and analytical applications while making them easier to create, deploy, and manage.

Microsoft SQL Server 2005 Express Edition (SQL Server Express) is a powerful and reliable data management product that delivers rich features, data protection, and performance for embedded application clients, light web applications, and local data stores. Designed for easy deployment and rapid prototyping, SQL Server Express will be available at no cost, and be free to redistribute with applications.

SQL Server 2005 Workgroup Edition is the data management solution for small organizations that need a database with no limits on size or number of users. Workgroup Edition can serve as a front-end Web server or for departmental or branch office operations. It includes the core database features of the SQL Server product line and is easy to upgrade to Standard or Enterprise Edition.