Williams, Mark A.

Mark A. Williams is currently working as a production Oracle DBA. He has been working with Oracle since database version 7.0.1.16, and holds Oracle Certified Professional certifications for versions 7, 8, 8i, and 9i. Prior to becoming a DBA, Williams developed corporate software applications that used the Oracle database as a back-end. Over the years, he has worked as both an employee and an independent contractor on a variety of Oracle projects.