04 - Universe Design Concepts

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2. What first name or nickname would you like us to use?

You may optionally provide this to label your report, leaderboard, or certificate.

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5. In universe creation, what is the layer between the datasource and the objects?

Virtual relational schema: abstraction layer between Information System database physical schema and universe objects.

Explanation

Virtual relational schema: abstraction layer between Information System database physical schema and universe objects.

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6. Measures objects are used for calculation

True

False

7. Which assertion is true?

The semantic layer applies transformations on a datasource

The semantic layer turns a database into a business oriented source

The semantic layer extends SQL language for advanced queries

8. Dimensions objects are used to quantify information

True

False

9. What are possible object types?

Fields

Dimensions

Tables

Details

Measures

Queries

Relationships

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10. Details objects provide extra information to measures objects

True

False

Details are additional type of object. Related to a dimension (e.g. quarter of a date, address of a customer…), they provide description data.

Explanation

Details are additional type of object. Related to a dimension (e.g. quarter of a date, address of a customer…), they provide description data.

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04 - Universe Design Concepts

1. The universe contains the ______ definition.

2.

What first name or nickname would you like us to use?

2. The semantic layer is designed in ______

3. A universe is made of ______

4. Objects are organized into ______

5. In universe creation, what is the layer between the datasource and the objects?

6. Measures objects are used for calculation

7. Which assertion is true?

8. Dimensions objects are used to quantify information

9. What are possible object types?

10. Details objects provide extra information to measures objects