Question 1

Observe the REAL ESTATE PROPERTY DIMENSION:

This dimension will be used for the following questions citing REAL ESTATE PROPERTY DIMENSION.

-Show how the Type 3 approach would implement the following change: the size of property whose ID is 111 is increased to 7000 sq ft (do not add timestamps).

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This dimension...

Question 2

What is the role of the row indicator column?

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Question 3

Observe the REAL ESTATE PROPERTY DIMENSION:

This dimension will be used for the following questions citing REAL ESTATE PROPERTY DIMENSION.

-Show how the Type 2 approach would implement the following change: the size of property whose ID is 111 is increased to 7000 sq ft on 1/1/2013.Assume that the dimension was originally created and populated with all brand-new properties on 1/1/2000,and add appropriate timestamps and a row indicator.

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This dimension...

Question 4

Observe the REAL ESTATE PROPERTY DIMENSION:

This dimension will be used for the following questions citing REAL ESTATE PROPERTY DIMENSION.

-Show how Type 3 approach would implement the following change: the size of property whose ID is 111 is increased to 7000 sq ft on 1/1/2013.Assume that the dimension was originally created and populated with all brand-new properties on 1/1/2000,and add appropriate timestamps.

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This dimension...

Question 5

What is represented by each row in a transaction-level detailed fact table?

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Question 6

What is the difference between detailed fact tables and aggregated fact tables?

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Question 7

Observe the REAL ESTATE PROPERTY DIMENSION:

This dimension will be used for the following questions citing REAL ESTATE PROPERTY DIMENSION.

-Show how the Type 2 approach would implement the following change: the size of property whose ID is 111 is increased to 7000 sq ft (do not add timestamps).

Accepted Answer

The answer of Observe the REAL ESTATE PROPERTY DIMENSION:

This dimension...

Question 8

What type of columns does a dimension table contain?

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Question 9

What are conformed dimensions?

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Question 10

List the two questions that have to be answered for every dimension under consideration during the dimensional modeling process.

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Question 11

What type of columns does a fact table contain?

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Question 12

Observe the REAL ESTATE PROPERTY DIMENSION:

This dimension will be used for the following questions citing REAL ESTATE PROPERTY DIMENSION.

-Show how the Type 1 approach would implement the following change: the size of property whose ID is 111 is increased to 7000 sq ft.

Accepted Answer

The answer of Observe the REAL ESTATE PROPERTY DIMENSION:

This dimension...

Question 13

What do timestamps indicate in slowly changing dimensions?

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Question 14

What is a slowly changing dimension?

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Question 15

What are the two options for designing analytical databases in organizations where the organizational,political,or budgetary structure of the organization forces parts of the organization to undertake isolated initiatives?

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Question 16

What is a surrogate key?

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Question 17

What is represented by each row in a line-item detailed fact table?

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Question 18

What does granularity of a fact table describe?

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Question 19

What is a snowflake model?

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Question 20

What is a constellation of stars?

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Quiz 8: Data Warehouse and Data Mart Modeling

Observe the REAL ESTATE PROPERTY DIMENSION: This dimension will be used for the following questions citing REAL ESTATE PROPERTY DIMENSION. -Show how the Type 3 approach would implement the following change: the size of property whose ID is 111 is increased to 7000 sq ft (do not add timestamps).

What is the role of the row indicator column?

What is represented by each row in a transaction-level detailed fact table?

What is the difference between detailed fact tables and aggregated fact tables?

Observe the REAL ESTATE PROPERTY DIMENSION: This dimension will be used for the following questions citing REAL ESTATE PROPERTY DIMENSION. -Show how the Type 2 approach would implement the following change: the size of property whose ID is 111 is increased to 7000 sq ft (do not add timestamps).

What type of columns does a dimension table contain?

What are conformed dimensions?

List the two questions that have to be answered for every dimension under consideration during the dimensional modeling process.

What type of columns does a fact table contain?

Observe the REAL ESTATE PROPERTY DIMENSION: This dimension will be used for the following questions citing REAL ESTATE PROPERTY DIMENSION. -Show how the Type 1 approach would implement the following change: the size of property whose ID is 111 is increased to 7000 sq ft.

What do timestamps indicate in slowly changing dimensions?

What is a slowly changing dimension?

What are the two options for designing analytical databases in organizations where the organizational,political,or budgetary structure of the organization forces parts of the organization to undertake isolated initiatives?

What is a surrogate key?

What is represented by each row in a line-item detailed fact table?

What does granularity of a fact table describe?

What is a snowflake model?

What is a constellation of stars?