Data Warehousing Architecture

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What is the primary function of the Internet/Intranet/Extranet in the Web-based DW Architecture?

To connect the data warehouse to the client
To connect the client to the application server (correct)
To connect the staging area to the source systems
To connect the data mart to the application server

In the Independent Data Marts Architecture, what type of data is stored in the data marts?

Summarized data only
Normalized relational data
Atomic and summarized data (correct)
Dimensionalized data

What is the key characteristic of the Data Mart Bus Architecture?

Dependent data marts
Linked dimensional data marts (correct)
Hub and spoke architecture
Independent data marts

In the Hub and Spoke Architecture, what is the central repository of data?

Normalized relational warehouse (B) Signup and view all the answers

What is the purpose of the staging area in the Data Warehouse Architectures?

To transform and cleanse data from source systems (A) Signup and view all the answers

What is the main distinction between the Independent Data Marts Architecture and the Data Mart Bus Architecture?

Connections between data marts (C) Signup and view all the answers

In the Hub and Spoke Architecture, what is the purpose of the dependent data marts?

To provide fast access to summarized data (B) Signup and view all the answers

What is the common function of ETL in all the Data Warehouse Architectures?

To transform and cleanse data from source systems (C) Signup and view all the answers

What is the primary purpose of a data warehouse?

To provide enterprise-wide, cleansed data in a standardized format (A) Signup and view all the answers

What is a characteristic of a data warehouse?

Data is specially organized to support decision-making (D) Signup and view all the answers

What is the main difference between a data warehouse and a data mart?

A data warehouse is focused on the entire enterprise, while a data mart is focused on a specific business area (B) Signup and view all the answers

What is the purpose of the ETL process in data warehousing?

To extract, transform, and load data into a data warehouse (D) Signup and view all the answers

What is real-time data warehousing also known as?

All of the above (D) Signup and view all the answers

What is the primary goal of data warehouse administration?

To ensure data security and integrity (A) Signup and view all the answers

What is the main benefit of using a data warehouse framework?

It provides a standardized approach to data warehousing (B) Signup and view all the answers

What is the role of metadata in a data warehouse?

To provide information about the data in the data warehouse (B) Signup and view all the answers

What does ETL stand for in the context of a Centralized Data Warehouse Architecture?

Extract, Transform, Load (A) Signup and view all the answers

In the Federated Architecture, what is involved in the logical/physical integration of data?

Common data elements (C) Signup and view all the answers

Which architecture type involves a normalized relational warehouse?

Centralized Data Warehouse Architecture (D) Signup and view all the answers

Which factor relates to the compatibility of a data warehouse with existing systems?

Compatibility with existing systems (D) Signup and view all the answers

What is a constraint on resources an example of?

A common factor in architecture selection decisions (C) Signup and view all the answers

Which architecture type involves existing data marts and legacy systems?

Federated Architecture (B) Signup and view all the answers

Which factor concerns the upper management’s demands?

Upper management’s information needs (D) Signup and view all the answers

What is perceived ability of the in-house IT staff an example of?

A key factor in architecture selection (D) Signup and view all the answers