Mastering Dimensional Modeling
10 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which step in the process of Dimensional Modeling involves choosing the business process?

  • Step 4
  • Step 2
  • Step 3
  • Step 1 (correct)

What is another term for the unit of analysis in Dimensional Modeling?

  • Data Mart
  • Grain (correct)
  • Business Process
  • OLTP

Which type of star schema separates the process into multiple tables?

  • Process Star
  • Star-1
  • Star-2
  • Snow-flake (correct)

What are examples of business processes in Dimensional Modeling?

<p>Orders, Invoices, Inventory (A)</p> Signup and view all the answers

What is the purpose of separating the process in Dimensional Modeling?

<p>To reduce the complexity of the data model (C)</p> Signup and view all the answers

What is the purpose of choosing the grain in Dimensional Modeling?

<p>To determine the fundamental level of data to be represented (C)</p> Signup and view all the answers

What are the steps involved in the process of Dimensional Modeling?

<p>Choose the Business Process, Choose the Grain, Choose the Facts, Choose the Dimensions (B)</p> Signup and view all the answers

What is the relationship between grain and data representation in Dimensional Modeling?

<p>Grain determines the level of detail in the data representation (C)</p> Signup and view all the answers

Why do some people criticize Dimensional Modeling as being data mart oriented?

<p>Because it focuses on creating data marts instead of a centralized data warehouse (A)</p> Signup and view all the answers

What is the purpose of choosing the dimensions in Dimensional Modeling?

<p>To create a more flexible data model (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser