Oracle Database Express Edition 11g Release 2. SQL Server 2008 Express. Things you can do Build web and mobile applications for multiple data types Support structured and unstructured data while storing business data with native support for relational data, XML, and spatial data.
Add geographical information to business applications and build location-aware applications. Increase granularity of temporal data with date and time data types. Easily manage SQL Server instances Manage SQL Server Express databases with SQL Server Management Studio Express. Basic reporting services Visualize data through basic Reporting Services (available with SQL Server Express with Advanced Services) and create readable reports that answer complex user questions. Simplify and speed development with rich developer tools Take advantage of existing Transact-SQL skills, and incorporate technologies like Microsoft ADO.NET Entity Framework and LINQ. Embed lightweight database into basic desktop applications. The world's most popular open source database.