Oracle 11g Express Edition (XE), the free-of-charge version of Oracle’s flagship database, is now in beta.

Oracle 11g XE (Express Edition), the free-of-charge version of Oracle’s flagship database, is now in beta. XE provides an “entry-level, small-footprint RDBMS” based on 11g Release 2 code ...

The Express Edition is the same as other databases in Oracle’s lineup, but can only run servers with one processor, 4GB of disk memory and 1GB of memory.

The Express Edition database can be distributed with other products. It will be available through Oracle's developer network and include a Web-based administration console development tools.