Pg. 02 discuss, analytically yet briefly, the role of

1. Pg. 02
Discuss, analytically yet briefly, the role of an enterprise data
warehouse (EDW) in the decision-making process. (0.5 marks)
Relate your discussion to operational databases and the type of
decisions they support as well as their insufficiency for
effective business intelligence strategy compared to EDW. (0.5
marks)
Question Two
1 Marks
What does a Performance Measurement System consist of? (0.3
marks) Which Performance Management System is considered a
management as well as measurement methodology? (0.3 marks)
What is its role as a performance measure and as a management
tool separately. (0.4 marks)
Question Three
1.5 Marks
Decision makers in XYZ company need to analyze the
organization’s financial performance in order to determine
whether departments’ expenditures are over or under budget,

2. thus, deriving actionable decisions. Table 1 provides
information extracted from the organization’s data warehouse
on the budgeted expenses against actual expenses of the
company’s departments over one year period of time.
Dept.
Q1 Budget
Q1 Actual
Q2 Budget
Q2 Actual
Q3 Budget
Q3 Actual
Q4 Budget
Q4 Actual
Distribution
390,000
375,000
395,000
382,000
400,000
390,000
410,000
408,000
Facilities
675,000
693,000
800,000
837,000
750,000
713,000
750,000
790,000
HR
350,000
346,000
350,000
342,000

3. 350,000
340,000
350,000
367,000
IS
950,000
925,000
850,000
890,000
875,000
976,000
900,000
930,000
Table 1: Departments’ yearly performance
A) Use the most appropriate basic visual chart covered in class
to show, for each department, the percentage variance between
the budgeted and actual expences over each of the four quarters.
(0.5 marks)
Variance% = ((budgeted expense – actual expense) / actual
expense) * 100
(a positive value indicates that the department is spending less
than the budgeted amount, whereas negative values indicate that
expenses are more than anticipated).
B) Use the most appropriate basic visual chart covered in class
to visualize the difference between the departments’ overall
budget values against overall actual values over the four
quarters. (0.5 marks)
C) As a decision maker, draw one informative conclusion from
each chart (A) and (B) using your own words. (0.5 marks)
Question Four
1.5 Marks
Suppose that a data warehouse consists of the three dimensions,
supplier[sup_name, type]customer[cust_name, email, mobile],

4. location[street, city, country], and the two measures units_sold,
and sales_amount (in SAR).
A) Draw a Star schema diagram for the above data warehouse.
Include the appropriate attributes for dimension and factor
tables (DT and FT). (0.5 marks)
B) Explain how Snowflake schema can provide better
representation over Star schema. In the given 3D warehouse
above, determine which DT will be affected when implementing
the Snowflake model? (0.5 marks)
C) What specific OLAP operations (roll-up, drill down, dice,
slice) should be performed (based on the above schema (A)) in
order to list the total sales of each supplier in Saudi Arabia?
(0.5 marks)
Directions for Chapter 4: Lesson 5
Write at least eight complete sentences when answering the
following question:
Consider the negative aspects of urban sprawl. What are some
possible solutions the government could provide to bolster
infrastructure and services? Develop an argument to support
your ideas.
Directions for Chapter 4: Lesson 3
Using the Internet research Hong Kong. In a two paragraphs tell
me about Hong Kong's history of government, what it is now

5. and what it was, also explain possible ways that Hong Kong’s
natural boundaries affect Cultural boundaries and lifestyles of
Hong Kong citizens
Directions for Chapter 4: Lesson 1
1. What are some external factors that change culture?
2. What are the elements of culture?
3. What are two major ways in which cultures change over
time?
4. Research to find three different definitions of culture. Write
a paragraph comparing and contrasting the three different
definitions.