Author Bio for the FM: Riaz Ahmed is an IT professional with more than 23 years experience. He started his career in early 90's as a programmer, and has been employed in a wide variety of information technology positions, including analyst programmer, system analyst, project manager, data architect, database designer and senior database administrator. Currently he is working as head of IT for a group of companies. His core areas of interest include web-based development technologies, business intelligence, and databases. Riaz possesses extensive experience in database design and development. Besides all versions of Oracle, he has worked intensively in almost all major RDBMS on the market today. During his career he designed and implemented numerous databases for a wide range of applications, including ERP.