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Mastering Dimensional Modeling

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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?

Orders, Invoices, Inventory (A) Signup and view all the answers

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

To reduce the complexity of the data model (C) Signup and view all the answers

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

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

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

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

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

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

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

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

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

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