discussion "data wharehousing"

"Data Warehousing" Please respond to the following:

• Having live data accessible all the time for an indefinite period is expensive. This is why data warehousing is so important. This week, we’ve been looking at data warehouse planning. When you consider your plan for data warehousing, what do you think are two of the more key items to think about? Is there a recommendation to management that you have in mind already, just from your studies this week?