The purpose of a ________ is to extract and clean data from operational systems and other sources,and to store and catalog that data for processing by BI tools.
A) data harvester
B) data center
C) data aggregator
D) data warehouse
Correct Answer:
Verified
Q16: Reporting systems improve decision making by _.
A)
Q17: The advantage that _ have over the
Q18: _ systems integrate data from multiple sources,and
Q19: _ bytes equal one terabyte.
A) 1,000
B) 1,000,000
C)
Q20: _ is information containing patterns,relationships,and trends.
A) Technical
Q22: In _,statistical techniques identify groups of entities
Q23: In unsupervised data mining _.
A) analysts do
Q24: A _ is a data collection that
Q25: Generally,it is better to have data that
Q26: Clickstream data is _.
A) inconsistent
B) too coarse
C)
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