Book excerpt: Maintain a robust, mission-critical Oracle8i database. This book provides administrative solutions for the day-to-day DBA. You'll learn how to install the database for maximum efficiency, upgrades, patches, migrations, tune, and maintain its security. The book also explains in detail how to build and support a fully functioning Oracle database. This authoritative text contains up-to-date information available on Oracle's latest release and shows you how to: configure database architecture; install and set up with UNIX requirements; create the actual database with scripts; GUI management produc.