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Questions and Answers
What is the first step in the four-step design process?
What is the first step in the four-step design process?
- Selecting the business process to model (correct)
- Identifying the numeric facts for each fact table row
- Declaring the grain of the business process
- Choosing dimensions for each fact table row
What does declaring the grain of the business process involve?
What does declaring the grain of the business process involve?
- Identifying the numeric facts for each fact table row
- Specifying exactly what an individual fact table row represents (correct)
- Selecting the business process to model
- Choosing dimensions for each fact table row
Which of the following is an example of a business process?
Which of the following is an example of a business process?
- Software development
- Network security
- Inventory management (correct)
- Data analysis
What does the four-step design process aim to achieve?
What does the four-step design process aim to achieve?
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In the context of a data warehouse, what are dimensions?
In the context of a data warehouse, what are dimensions?
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Study Notes
Four-Step Design Process
- The first step in the four-step design process involves identifying the business process.
Business Process
- Declaring the grain of the business process involves determining the level of detail required to model the process.
- An example of a business process is checking and processing customer orders.
Four-Step Design Process Goals
- The four-step design process aims to achieve a clear understanding of the business process, identify the data required to support it, and design a data warehouse to meet those needs.
Data Warehouse Concepts
- In the context of a data warehouse, dimensions are the categories used to describe the business process, such as time, geography, or product.
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Description
Test your knowledge of the four-step design process outlined in the book "The Data Warehouse Toolkit" by Kimball and Ross. This quiz covers selecting and modeling business processes, declaring the grain, choosing dimensions, and identifying numeric facts for fact table rows.
