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a. (3 points) What is a DBA in the context of database management systems? b. (5 points) List at least 5 activities performed by a

a.

(3 points) What is a DBA in the context of database management systems?

b.

(5 points) List at least 5 activities performed by a DBA.

c.

(4 points) What is the difference between a "role" and a "profile"?

d.

(4 points) What is the difference between "authentication" and

"authorization"?

e.

(4 points) What is a "data warehouse" and what is it used for?

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