The idea of data warehousing dates back to the 1980s. Today, data warehousing is a global market worth billions of dollars. What is the relationship between operational databases and data warehouses? Why are data warehouses created, and how do organizations use them? What types of decisions do data warehouses support? Have you ever searched a data warehouse? Visit FedStats.gov and search “MapStats” to see what facts are available for your home state. Make a list of five interesting facts about your home state to share with your classmates.