The most cost-effective means of communicating with customers and in building a data warehouse is:

Multiple values returned from an SQL query that includes an aggregate function are called:

A) vector aggregates. B) scalar aggregates. C) agates. D) summations.

(Present value tables required) You won the lottery and have a number of choices as to how to take the money. Which choice yields a greater present value?

A) $12,000 a year at the end of each of the next 6 years using a 6% discount rate B) $53,500 (lump sum) now using a 6% discount rate C) $90,000 (lump sum) 7 years from now using a 6% discount rate D) $92,000 (lump sum) 7 years from now using an 8% discount rate