Building & management a successful database infrastructure requires a combination of the right people, processes and products. There is no standard or ratio for database management staffing since organizations have different business and operational requirements. A right Database Administrator's (DBA) is of primary importance for the ability to quickly and effectively manage change. We consider that there are several common factors within organizations that affect the number and level of expertise for best practice build-out. Requirements that determine the level of staffing and effort include: