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CS614 Data Warehouse Solved MCQs Lecture 23-45

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CS614 Data Warehouse Solved MCQs Lecture 23-45

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Questions and Answers

According to Bill Inmon, when are requirements well understood?

After all the schemas are defined

After they are extracted and verified (correct)

After they are documented

After they are reviewed by the users

What is one of the drawbacks of the waterfall model?

It defines project timelines too rigidly

It allows for constant changes during development

Customers cannot review the product during development (correct)

It only works with unlimited resources

In a data warehouse, how is the approach different according to Bill Inmon?

Technology driven

Requirement driven (correct)

Time sensitive

Resource driven

What does 'horizontally wide data' refer to?

A dataset with large number of records Signup and view all the answers

In the lifecycle data track, what comes after translating the requirements into a dimensional model?

Physical structure Signup and view all the answers

What type of architecture design supports communication about technical requirements within the team, upward to management, and outward to vendors?

(I), (II) and (III) Signup and view all the answers

What is a common pitfall in Data Warehouse Life Cycle & Development?

Frequent backups Signup and view all the answers

Who is credited with the goal-driven approach to data warehouse development?

Westerman Signup and view all the answers

Which step is NOT included in the list of Top-7 key steps for smooth Data Warehouse implementation?

Follow strict timelines Signup and view all the answers

What comes after the development phase in the typical cycle of implementing change in Data Warehouse?

Production -> Development -> QA Signup and view all the answers