While working as a database analyst for a national sales organization, you are asked to be part of its data warehouse project team.

1. Prepare a high-level summary of the main requirements for evaluating DBMS products for data warehousing.

2. Your data warehousing project group is debating whether to create a prototype of a data warehouse before its implementation. The project group members are especially concerned about the need to acquire some data warehousing skills before implementing the enterprise-wide data warehouse. What would you recommend? Explain your recommendations.