- Compare a data warehouse used for decision support to an operational database. How do the data warehouse and the operational database differ in their purpose, their structure, the technology they use, and the way they are managed? Why would a company need both?
- How could a large online retail firm like Amazon make use of OLAP? What are some dimensions they might use to analyze their data, and what insights could they gain from this analysis?
- Please provide references.
- No need to run on, just answer the questions straight to the point.
Manager John has to make decision in the following situation. …
Manager John has to make decision in the following situation. Three decision alternatives are A, B, and C. Probabilities of unfavorable, so-so, and favorable economy are 0.2, 0.45, and 0.35 respectively. The payoff table is as below: Investment alternatives Economy Development un-favorable so-so favorable Prob=0.2 Prob=0.45 Prob=0.35 A -100 800