04 - Universe Design Concepts

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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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