5.3 Using Databases to Improve Business Performance and Decision Making
Businesses use their databases to keep of basic transactions,such as paying suppliers, processing order, serving customer, and paying employees. But they also need databases to provide information that will help the company run the business more efficiently, and help mahagers and employees make better decisions. If a company wants to know which product is the most popular or who is its most profitable customer, the answer lies in the data. For example, by analyzing data form customer credit card purchases; louise’s Trattoria, a los Angeles restaurant chain, learned that quality was more important than price for most of its customer, who were college-educated and like fine wine. Acting on this information, the chain introduced vegetarian dishes, more seafood selection, and more expensive wines, raising sales by moer than 10 percnt