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Database MCQ - Data Mining

21 Discovery is

A
It is hidden within a database and can only be recovered if one is given certain clues (an example IS encrypted information).
B
The process of executing implicit previously unknown and potentially useful information from data
C
An extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes.
D
None of these

22 The Euclidean distance measure is

23 Hidden knowledge referred to

24 Enrichment is

25 Heterogeneous databases referred to

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Question:

Hidden knowledge referred to

A. A set of databases from different vendors, possibly using different database paradigms
B. An approach to a problem that is not guaranteed to work but performs well in most cases
C. Information that is hidden in a database and that cannot be recovered by a simple SQL query.
D. None of these

Correct answer: C

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