The information technology (IT) industry has high demand for professionals, and Oracle certifications
are the hottest credential in the database world. You have made the right decision to
pursue an upgrade to your certification, because keeping your Oracle certification current will
give you a distinct advantage in this highly competitive market.
Most readers should already be familiar with Oracle and do not need an introduction to the
Oracle database world. For those who aren’t familiar with the company, Oracle, founded in
1977, sold the first commercial relational database and is now the world’s leading database
company and second-largest independent software company, with revenues of more than $10
billion, serving more than 145 countries.
Oracle databases are the de
facto standard for large Internet sites, and Oracle advertisers
are boastful but honest when they proclaim that “the Internet runs on Oracle.” Almost all big
Internet sites run Oracle databases. Oracle’s penetration of the database market runs deep
and is not limited to dot-com implementations. Enterprise resource planning (ERP) application
suites, data warehouses, and custom applications at many companies rely on Oracle. The
demand for database administrator (DBA) resources remains higher than others during weak