adplus-dvertising
frame-decoration

Question

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

a.

They execute each query directly on the data sources.

b.

They execute subqueries directed at appropriate data sets.

c.

They consolidate all queries into a single database query.

d.

They rely on ETL for query execution.

Posted under Data Warehousing and OLAP

Answer: (b).They execute subqueries directed at appropriate data sets. Explanation:EII products execute subqueries directed at appropriate data sets, and then combine the results into a unified response.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

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

Similar Questions

Discover Related MCQs

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

Q. What is the primary focus of ETL in a data warehouse?

View solution

Q. Which of the following data extraction methods is suitable for handling complex source systems with various advantages and disadvantages?

View solution

Q. What is a key function of data transformation in the ETL process?

View solution

Q. Which approach supports real-time event handling and is designed for real-time data extraction?

View solution

Q. What is the key advantage of using 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!

JavaScript

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

Data Warehousing and OLAP

Strengthen your knowledge of Data Warehousing and OLAP with our specialized MCQs....

Software Architecture and Design

Get a strong hold on the blueprint of software systems with our Software Architecture...

Systems Programming

Decode low-level programming with our Systems Programming MCQs. These questions delve...

Visual Basic

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

SQL Server

Master Microsoft's database server with our SQL Server MCQs. Topics cover database...

Hadoop

Dive into the world of big data with our Hadoop MCQs. Cover key concepts including...

C Programming

Master one of the most widely used programming languages with our C Programming MCQs....

CSS

Polish your web design skills with our CSS MCQs. Learn about selectors, properties,...