vendors and external distributors are so fundamental to decision support systems that they deserve further explanation. The following sections discuss statistical databases, financial databases, and...

vendors and external distributors are so fundamental to decision support systems that they deserve further explanation. The following sections discuss statistical databases, financial databases, and video databases in slightly more detail. ■ STATISTICAL DATABASES Statistical databases contain numerical data for market analysis and forecasting. Often demographic, sales, and other relevant marketing variables are recorded by geographical