**PLEASE ANSWER ALL QUESTIONS**

Question 21 (3 points)

Which one of the following sentences is true?

Question 21 options:

A)	A well-design data base should have only one physical view

B)	A well design data base should have only one logical view

C)	A well desin data base should have multiple logical views

D)

Both A&C

Question 22 (3 points)

Which one of the following statements is true about data warehouses?

Question 22 options:

A)	Data warehouses are nonvolatile

B)	Users can change and update data in data warehouses

C)	Data warehouses maintain historical data

D)	Both A & C

Question 23 (3 points)

Which one of the following is among the capabilities of Executive Information Systems (EIS)?

Question 23 options:

A)	Drill-down

B)	Consolidation

C)	Sice-and-dice

D)	All of the above are true

Question 24 (3 points)

What are the three primary types of systems available to support the different levels of the organization?

Question 24 options:

A)	Analytical information, decision support systems, executive information systems.

B)	Transaction processing systems, drill-down systems, expert systems.

C)	What-if analysis, goal-seeking analysis.

D)	Transaction processing systems (TPS), decision support systems (DSS), executive information systems (EIS)

Question 25 (3 points)

Which one of the following is NOT among the characteristics of structured decision?

Question 25 options:

A)	Repetitive

B)	Programmed

C)	Based on judgement

D)	Based on rules