Multiple Choice
How do online analytical processing systems improve performance?
A) They preaggregate data so that only the subset of the data necessary for the queries is extracted.
B) They use reasoning methods to outline how sensitive information will be handled, stored, transmitted, and destroyed.
C) They make hypothetical changes to the data associated with a problem.
D) They allow for multiple dimensions to be added to a traditional two-dimensional table.
E) They provide capabilities for discovering hidden predictive relationships in the data.
Correct Answer:
Verified
Correct Answer:
Verified
Q42: _ is used by organizations to determine
Q43: _ allows expert system rules to be
Q44: Differentiate between clustering and classification processes in
Q45: Identify an advantage when the database approach
Q46: Data mining algorithms search for patterns,trends,or rules
Q48: Explain the process of consolidating data from
Q49: _ involves standardizing the format of data
Q50: Knowledge portals can be customized to meet
Q51: Which of the following is a role
Q52: Distinguish explicit knowledge assets from tacit knowledge