Learning Microsoft Power BI - Table Types and Relational Data Modeling

Learning Microsoft Power BI - Table Types and Relational Data Modeling

Assessment

Interactive Video

Information Technology (IT), Architecture, Social Studies

University

Hard

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The video tutorial covers the importance of using multiple tables in data modeling to avoid redundancy and manage file size. It explains the drawbacks of a single table design and the benefits of a multi-table approach, using examples to illustrate the elimination of duplicate values. The tutorial also guides viewers on creating relationships between tables in Power BI, highlighting the characteristics of data and lookup tables. Finally, it concludes with a summary and introduces the next section on data transformations and visualizations.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to avoid importing a single table in data modeling?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two primary categories of data mentioned in the text?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How does a single sales table lead to duplicated information?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of having a single column key in a data model?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the primary function of a data table as described in the text?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What distinguishes lookup tables from data tables?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Why are lookup tables updated less frequently than data tables?

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