**PLEASE ANSWER ALL QUESTIONS**

Question 1 (3 points)

Which type of decision is made at the operational level?

Question 1 options:

A)	Unstructured

B)	Structured

C)	Structured and unstructured (both)

D)	None of the above

Question 2 (3 points)

Which one of the following is not a characteristic of data warehousing?

Question 2 options:

A)	Maintaining historical data

B)	Multidimensional

C)	Supports transational processing

D)	Nonvolatile

Question 3 (3 points)

Jennifer is the database administrator in the human resources in a shipping company. She has the authority to change, update or delete employees' information in the data base as needed. This is an example of __________feature in database security

Question 3 options:

A)

Password

B)	Access control

C)	Access level

D)	All of the above

Question 4 (3 points)

A defined relationship in a database of students and courses tables should be:

Question 4 options:

A)	One-to-one

B)	One-to-many

C)	Many-to-many

D)	All of the above

Question 5 (3 points)

Which one of the following statements is true?

Question 5 options:

A)	Unstructured decisions are repetitive and structured decisions are one time decision

B)	Unstructured decisions are one time decisions, and structured decisions are not programmed

C)	Structured decisions are made at the operational level, and unstructured decisions are made at the strategic level

D)	Structured decisions are based on intuition and knowledge and unstructured decision are programmed