Database - Database Processing for BIS
Exercise :: Database Processing for BIS - General Questions
6.
RFM analysis uses customers' purchasing patterns to ________ .
A.
record transactions B.
analyze and rank customers C.
predict future sales using regression techniques D.
perform OLAP
Answer: Option B
Explanation:
7.
The "F" in RFM analysis stands for ________ .
A.
frequently B.
freshness C.
fast food D.
fantasy
Answer: Option A
Explanation:
8.
We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent -- Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ .
A.
the basic probability B.
support C.
lift D.
confidence
Answer: Option B
Explanation:
9.
Business Intelligence (BI) reporting systems cannot do which of the following operations?
A.
Filter data B.
Group data C.
Modify data D.
Both filter and group data
Answer: Option C
Explanation:
10.
Which of the following is not a component of a data warehouse?
A.
Data extraction/cleaning/preparation programs B.
Data warehouse data C.
Data metadata D.
None of the above are data warehouse components.
Answer: Option C
Explanation: