Oracle 11gの無料版がいつの間にかβから正式版になってた
www.oracle.com/technetwork/jp/database/express-edition/
http://blogs.oracle.com/oracle4engineer/entry/column_xe_11g
www.oracle.com/technetwork/jp/database/express-edition/
http://blogs.oracle.com/oracle4engineer/entry/column_xe_11g