Oracle Database XE

Oracle Database Express Edition (Oracle Database XE) is an entry-level, small-footprint database based on the Oracle Database code base that's free to develop, deploy, and distribute; fast to download; and simple to administer. Oracle Database XE is a great starter database for: Developers working on PHP, Java, .NET, XML, and Open Source applications ... (siehe http://www.oracle.com/technology/products/database/xe/index.html)