DBMS-Data Warehousing and Data Mining Questions and Answers
Practice ModeShowing 10 of 36 questions
Q11
OLAP is a database interface tool that allows users to quickly navigate within their data.
Answer: Option A
Q12
Data mining is the process of extracting valid, previously unknown, cmprehensible and actionable information from large database and using it to make crucial business decisions
Answer: Option A
Q13
The goal off data miningg is to create models for decision-making that predict future behaviouur based on analyses of past activity.
Answer: Option A
Q14
Data mining predicts the future behaviour of certain attributes within data.
Answer: Option A
Q15
In the association rules in data mining, the database is regarded as a collection of transactions, each involving a set of item.
Answer: Option A
Q16
In data mining, classifiction is the process of learning a model that describes different classes of data.
Answer: Option A
Q17
Which of the following is a characterstic of the data in a data warehouse ?
Answer: Option D
Q18
Data warehouse is a special type of database with a
Answer: Option D
Q19
Data warehouses, extract information for strategic use of the organisation in reducing costs and improving revenues, out ot
Answer: Option A
Q20
The advancements in technology and the develpment of microcomputers (PCs) along with data-orientation in form of relational databases, drove the emergence of end-user computing during
Answer: Option A