10 Questions
Which step in the process of Dimensional Modeling involves choosing the business process?
Step 1
What is another term for the unit of analysis in Dimensional Modeling?
Grain
Which type of star schema separates the process into multiple tables?
Snow-flake
What are examples of business processes in Dimensional Modeling?
Orders, Invoices, Inventory
What is the purpose of separating the process in Dimensional Modeling?
To reduce the complexity of the data model
What is the purpose of choosing the grain in Dimensional Modeling?
To determine the fundamental level of data to be represented
What are the steps involved in the process of Dimensional Modeling?
Choose the Business Process, Choose the Grain, Choose the Facts, Choose the Dimensions
What is the relationship between grain and data representation in Dimensional Modeling?
Grain determines the level of detail in the data representation
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
What is the purpose of choosing the dimensions in Dimensional Modeling?
To create a more flexible data model
This quiz covers the process of dimensional modeling in data warehousing. Learn about the four-step method from entity-relationship modeling to dimensional modeling, including how to choose the business process, grain, facts, and dimensions. Test your knowledge and understanding of dimensional modeling concepts with this quiz.
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