A data warehouse is which of the following?
DWDM-2

Quiz
•
Computers
•
University
•
Hard
N.ILAYARAJA IT
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can be updated by end users.
Contains numerous naming conventions and formats.
Organized around important subject areas.
Contains only current data.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
________ is a collection of data marts representing historical data from different operations in the company.
data warehouse
data mining
OLAP
None of these
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data can be updated in _____environment.
data mart
data mining
operational
informational
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
______________ is data about data.
Metadata
Microdata
Minidata
Multidata
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The star schema is composed of __________ fact table.
1
2
3
Many
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
___________ is a good alternative to the star schema.
Star schema.
Snowflake schema.
Fact constellation.
Star-snowflake schema.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fact tables are ___________.
completely demoralized
partially demoralized.
completely normalized.
partially normalized.
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