Express edition: Exress 2008 edition:
- Same database engine as other versions of SQL Server.
- Supports 10 GB of storage per database.
- Backup and restore with ease.
- Compatible with all editions of SQL Server and SQL Azure.
- Designed to work with Visual Studio and ASP.NET.
- Available with a graphical management tool.
- Offers reporting capabilities, full-text search, and spatial support.
Developer Edition: the same features as Enterprise Edition, but it is intended only for development purposes and should not be deployed in production. 2008 cost Per User:$37.00