no plagiarism pleasethe questions are in the file bellow

no plagiarism pleasethe questions are in the file bellow


Selected Chapter 3 Review Questions
Using the textbook and class discussion, answer the following review questions. Click on
the blank line following the question and type your answer. When you are finished, save
this document as LastName FirstName Ch2 RQ and submit it to the Canvas submission
box.
Section 3.2 Review Questions
1. What is a data warehouse?
2. Explain the importance of metadata.
Section 3.3 Review Questions
3. Describe the major components of a data warehouse.
a.
b.
c.
d.
e.
f.
Section 3.4 Review Questions
4. What are the key similarities and differences between a two-tiered architecture
and a three-tiered architecture?
Section 3.5 Review Questions
5. Describe data integration.
6. Describe the three steps of the ETL process.
a.
b.
c.
Section 3.6 Review Questions
7. What is OLAP and how does it differ from OLTP?
8. What is a cube? What do drill down, roll up, and slice and dice mean?
Section 3.7 Review Questions
9. What is scalability? How does it apply to DW?
Section 3.8 Review Questions
10. What skills should a DWA possess? Why?
Section 3.9 Review Questions
11. What is business performance management? How does it relate to BI?
12. List and briefly describe the four phases of the BPM cycle.
Section 3.10 Review Questions
13. What are the distinguishing features of KPIs?
Section 3.11 Review Questions
14. What is a balanced scorecard? Where did it come from?
Section 3.12 Review Questions
15. What is Six Sigma? How is it used as a performance measurement system?
16. What is DMAIC? List and briefly describe the steps involved in DMAIC.

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