Question

Why is operational data not directly usable for strategic decision making in a data warehouse?

a.

It comes from many old legacy systems

b.

It is classified as complex data

c.

It lacks data integration

d.

It doesn't contain valuable information

Posted under Data Warehousing and OLAP

Answer: (a).It comes from many old legacy systems Explanation:Operational data is not directly usable for a data warehouse because it comes from many old legacy systems, and the data quality may not be sufficient.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Why is operational data not directly usable for strategic decision making in a data warehouse?

Add Comment

Similar Questions

Discover Related MCQs

Q. What is one of the key challenges in data transformation when moving data to a data warehouse?

View solution

Q. What does data transformation in the context of a data warehouse involve?

View solution

Q. Why is it essential to consider data transformation functions seriously?

View solution

Q. What is the main focus of data transformation in a data warehouse?

View solution

Q. What is the first basic task in data transformation?

View solution

Q. When might you need to perform the selection task during data transformation?

View solution

Q. What is the purpose of the splitting/joining task in data transformation?

View solution

Q. What does the conversion task primarily aim to achieve in data transformation?

View solution

Q. When might summarization be part of the data transformation function?

View solution

Q. What does the enrichment task involve in data transformation?

View solution

Q. Which of the following is a common transformation type that involves changes to the data types and lengths of individual fields?

View solution

Q. What does decoding of fields typically involve in data transformation?

View solution

Q. When is the splitting of single fields necessary in data transformation?

View solution

Q. What is the purpose of merging of information in data transformation?

View solution

Q. In data transformation, what is an example of a calculated and derived value?

View solution

Q. What does character set conversion in data transformation primarily involve?

View solution

Q. When might a company need to convert units of measurements in data transformation?

View solution

Q. What is the purpose of date/time conversion in data transformation?

View solution

Q. What does key restructuring in data transformation involve?

View solution

Q. What does deduplication in data transformation refer to?

View solution

View All MCQs on Data Warehousing and OLAP

Suggested Topics

Are you eager to expand your knowledge beyond Data Warehousing and OLAP? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

UNIX

Become proficient with the Unix operating system using our UNIX MCQs. Learn about...

Operating System

Dive deep into the core of computers with our Operating System MCQs. Learn about...

DBMS

Get a firm grasp on database systems with our DBMS MCQs. Explore relational...

Data Structures and Algorithms

Journey through the fundamentals of Data Structures and Algorithms with our extensive...

Web Technologies

Master the building blocks of the web with our Web Technologies MCQs. From HTML and...

Big Data Computing

Enhance your understanding of Big Data Computing with our comprehensive MCQs. Explore...

Reverse Engineering

Strengthen your understanding of Reverse Engineering with our curated set of MCQs....

IT Fundamentals

Navigate the basics of information technology with our IT Fundamentals MCQs. Get a...

Java Spring Framework

Enhance your Java development skills with our Spring Framework MCQs. Learn about...