Question 40

Which statement correctly describes a data – mining tool?

a) It provides information that cannot be obtained from existing information systems, but can be obtained by accumulating information generated in a company by topic and in chronological order.
b) It provides various information analysis functions, such as the function to display aggregated data quickly and easily for users.
c) It performs statistical processing on large volumes of accumulated data to assist users in finding something like laws or rules.
d) It is a subjective basis database that allows users to use information effectively. The search time can be reduced by storing results of performing aggregation processing, etc in advance.

answer

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