Oracle’s RAC-centric marketing sells Oracle short by ignoring a broad spectrum of huge advances in 9i and 10g. These features, including logical standby (part of DataGuard), streams, improved multimaster replication, flashback query, Cross-platform transportable tablespaces, improved RMAN (including the pipe interface), constitute the great adaptability for any size organization that is Oracle’s greatest strength.
Check out the paper on Blue Gecko’s whitepaper page.