Database Processing for BIS - General Questions Online Exam Quiz
Database Processing for BIS - General Questions GK Quiz. Question and Answers related to Database Processing for BIS - General Questions. MCQ (Multiple Choice Questions with answers about Database Processing for BIS - General Questions
A BI reporting system does not ________ .
A : create meaningful information
B : deliver information to users on a timely basis
C : use statistical procedures to predict future events
D : use disparate data sources
Which of the following are not done by Business Intelligence (BI) systems?
A : Analyze past and current activities only
B : Process and record transactions only
C : Both of the above are correct.
D : Neither of the above is correct.
Business Intelligence (BI) systems do not obtain their data by which of the following means?
A : Read and process data from an operational database
B : Process transactions
C : Process extracts from operational databases
D : Process data purchased from data vendors
The "curse of dimensionality" relates to which problem of using operational data for BI reporting?
A : Dirty data
B : Inconsistent data
C : Too much data
D : Non-integrated data
A report generated by a reporting system is delivered to the appropriate users via a user-accessed Web site. This system uses which of the following report modes?
A : Push
B : Pull
C : RFM
D : OLAP
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
The "F" in RFM analysis stands for ________ .
A : frequently
B : freshness
C : fast food
D : fantasy
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
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
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.
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