Question

What is the primary reason for the complexity and importance of ETL functions in data warehousing?

a.

Extensive data storage requirements

b.

The need for frequent full data refreshes

c.

The variety and heterogeneity of source systems

d.

The lack of suitable ETL tools

Posted under Data Warehousing and OLAP

Answer: (c).The variety and heterogeneity of source systems Explanation:The variety and heterogeneity of source systems contribute to the complexity and importance of ETL functions in data warehousing.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. What is the primary reason for the complexity and importance of ETL functions in data warehousing?

Add Comment

Similar Questions

Discover Related MCQs

Q. What is the recommended approach for managing data loads in a data warehouse?

View solution

Q. What is the potential consequence of flaws in the ETL process in a data warehouse?

View solution

Q. In ETL, what is the significance of breaking down tasks and conducting detailed analysis?

View solution

Q. What is the primary function of data capture through replication in ETL?

View solution

Q. What role does ETL metadata play in data acquisition and data storage?

View solution

Q. What is the primary characteristic of Enterprise Information Integration (EII) in data integration?

View solution

Q. How does EII enable applications to access dispersed data sources?

View solution

Q. What approach does EII support in terms of data integration?

View solution

Q. How do EII products handle queries directed at virtual data views?

View solution

Q. In what situations might EII be considered as an alternative to ETL for data integration?

View solution

Q. What might be a drawback of using EII for querying through dispersed data sources?

View solution

Q. When might EII not be the approach of choice for data integration?

View solution

Q. What does EII stand for in the context of data integration approaches?

View solution

Q. Which technology is primarily driving the implementation of EII tools?

View solution

Q. What term is used to describe the approach of physically consolidating data from dispersed sources?

View solution

Q. What is the primary goal of Enterprise Application Integration (EAI)?

View solution

Q. How does EAI handle data transformation?

View solution

Q. In what context might EAI and ETL be used together?

View solution

Q. What is the primary advantage of using EAI in ETL applications?

View solution

Q. What is the primary role of EAI in data integration?

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!

Object Oriented Programming Using C++

Enhance your programming skills with our MCQs on Object Oriented Programming using...

Digital Image Processing (DIP)

Delve into the techniques of enhancing digital images with our Digital Image...

UNIX

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

Data Structures and Algorithms

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

JavaScript

Strengthen your web development skills with our JavaScript MCQs. Understand core...

MongoDB

Learn the leading NoSQL database with our MongoDB MCQs. Understand everything from...

Big Data Computing

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

IT Fundamentals

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

Visual Basic

Enhance your knowledge of Microsoft's event-driven programming language with our...