John Adolph Palinski is a Supervisor of Computer Applications for the Omaha Public Power District where he has developed and implemented numerous Oracle systems. He is also an instructor at the University of Nebraska at Omaha. A Certified Oracle Professional Developer, he has taught SQL, PL/SQL, and Developer 2000 courses and is the author of Oracle Database Construction Kit (Que, 1997). He is a frequent contributor to Oracle periodicals such as Oracle Internals and Oracle Professional. He also provides on-site training through his consulting company, Realistic Software Training.