Business intelligence And Analytics System For Decision Support 10th Edition by Sharda - Test Bank
Business Intelligence and Analytics: Systems for Decision Support, 10e (Sharda)
Chapter 3 Data
Warehousing
1) In the Isle of Capri case, the
only capability added by the new software was increased processing speed of
processing reports.
Answer: FALSE
Diff: 2 Page Ref: 79
2) The "islands of data"
problem in the 1980s describes the phenomenon of unconnected data being stored
in numerous locations within an organization.
Answer: TRUE
Diff: 2 Page Ref: 82
3) Subject oriented databases for
data warehousing are organized by detailed subjects such as disk drives,
computers, and networks.
Answer: FALSE
Diff: 2 Page Ref: 83
4) Data warehouses are subsets of
data marts.
Answer: FALSE
Diff: 1 Page Ref: 84
5) One way an operational data
store differs from a data warehouse is the recency of their data.
Answer: TRUE
Diff: 2 Page Ref: 84-85
6) Organizations seldom devote a
lot of effort to creating metadata because it is not important for the
effective use of data warehouses.
Answer: FALSE
Diff: 2 Page Ref: 87
7) Without middleware, different BI
programs cannot easily connect to the data warehouse.
Answer: TRUE
Diff: 2 Page Ref: 90
8) Two-tier data warehouse/BI
infrastructures offer organizations more flexibility but cost more than
three-tier ones.
Answer: FALSE
Diff: 2 Page Ref: 91
9) Moving the data into a data
warehouse is usually the easiest part of its creation.
Answer: FALSE
Diff: 2 Page Ref: 93