Microsoft SQL Server Express Is a freely downloadable and distributable product from Microsoft. It is a light weight version of SQL server. SQL Server Express includes powerful features such as SQL Server Management Studio Express, for easily managing a database.

It is mainly for developers, embedded and smaller-scale applications,  You can Create databases up to 4 GB in size. Also there is a hardware utilization limit, we can use only Single physical CPU (multiple cores) and it is only use 1Gb Ram even if you have more than 1GM RAM in your server.  SQL server Express with full compatibility so that you can Transfer any database created in SQL Express to other editions of SQL Server 2008. It is offering high data security for the databases.

Try it Today : Download SQL Server Express 2008.