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Welcome to the Data Extraction,Transformation and Loading MCQs Page

Dive deep into the fascinating world of Data Extraction,Transformation and Loading with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Extraction,Transformation and Loading, a crucial aspect of Data Warehousing and OLAP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Extraction,Transformation and Loading, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Warehousing and OLAP.

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Check out the MCQs below to embark on an enriching journey through Data Extraction,Transformation and Loading. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Warehousing and OLAP.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Extraction,Transformation and Loading. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Extraction,Transformation and Loading MCQs | Page 15 of 15

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Q141.
What is the primary role of EAI in data integration?

a.

Handling vast data retrieval

b.

Real-time transaction processing

c.

Data extraction from disparate systems

d.

Complex data transformations

Discuss
Answer: (b).Real-time transaction processing Explanation:EAI's primary role in data integration is real-time transaction processing.
Q142.
What is the primary focus of ETL in a data warehouse?

a.

Real-time transaction processing

b.

Low-latency data access

c.

Data extraction, transformation, and loading

d.

Real-time event handling

Discuss
Answer: (c).Data extraction, transformation, and loading Explanation:ETL primarily focuses on data extraction, transformation, and loading in a data warehouse.
Q143.
Which of the following data extraction methods is suitable for handling complex source systems with various advantages and disadvantages?

a.

EAI

b.

ETL

c.

EII

d.

Data capture through replication

Discuss
Answer: (b).ETL Explanation:ETL supports various data extraction techniques, each with its own advantages and disadvantages.
Q144.
What is a key function of data transformation in the ETL process?

a.

Real-time event handling

b.

Complex data retrieval

c.

Data cleansing and consolidation

d.

Rudimentary data transformation

Discuss
Answer: (c).Data cleansing and consolidation Explanation:Data transformation in ETL encompasses data cleansing, conversion, consolidation, and integration.
Q145.
Which approach supports real-time event handling and is designed for real-time data extraction?

a.

EII

b.

ETL

c.

EAI

d.

Data capture through replication

Discuss
Answer: (c).EAI Explanation:EAI supports real-time event handling and is designed for real-time data extraction.
Q146.
What is the key advantage of using EAI in data integration?

a.

Complex data transformations

b.

Rudimentary data transformations

c.

Real-time transaction processing

d.

Vast data consolidation

Discuss
Answer: (c).Real-time transaction processing Explanation:The key advantage of EAI is its support for real-time transaction processing in data integration.
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