no copy Briefly explain, why we use Data Mining, specifically on large data sets (big data)?

List and briefly explain major data mining tasks with examples?

Explain different approaches to handle the problem of missing values of attributes while data cleaning.

Explain each of the following characteristics about the data warehouse mentioned in its definition:

A data warehouse is a (1) subject-oriented, (2) integrated, (3) time-variant, and (4) nonvolatile collection of data in support of (5) managements decision-making process