Data Mining & Data Ware House Set 1 Detailed Explanation And More Example

Question : 1

Heterogeneous databases 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

Question : 2

Transparency

a) The large set of candidate solutions possible for a problem

b) The information stored in a database that can be, retrieved with a single query.

c) Worth of the output of a machinelearning program that makes it understandable for humans

d) None of these

Question : 3

Binary attribute are

a) This takes only two values. In general, these values will be 0 and 1 and they can be coded as one bit

b) The natural environment of a certain species

c) Systems that can be used without knowledge of internal operations

d) None of these