24 Questions
What is the primary function of the Internet/Intranet/Extranet in the Web-based DW Architecture?
To connect the client to the application server
In the Independent Data Marts Architecture, what type of data is stored in the data marts?
Atomic and summarized data
What is the key characteristic of the Data Mart Bus Architecture?
Linked dimensional data marts
In the Hub and Spoke Architecture, what is the central repository of data?
Normalized relational warehouse
What is the purpose of the staging area in the Data Warehouse Architectures?
To transform and cleanse data from source systems
What is the main distinction between the Independent Data Marts Architecture and the Data Mart Bus Architecture?
Connections between data marts
In the Hub and Spoke Architecture, what is the purpose of the dependent data marts?
To provide fast access to summarized data
What is the common function of ETL in all the Data Warehouse Architectures?
To transform and cleanse data from source systems
What is the primary purpose of a data warehouse?
To provide enterprise-wide, cleansed data in a standardized format
What is a characteristic of a data warehouse?
Data is specially organized to support decision-making
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
What is the purpose of the ETL process in data warehousing?
To extract, transform, and load data into a data warehouse
What is real-time data warehousing also known as?
All of the above
What is the primary goal of data warehouse administration?
To ensure data security and integrity
What is the main benefit of using a data warehouse framework?
It provides a standardized approach to data warehousing
What is the role of metadata in a data warehouse?
To provide information about the data in the data warehouse
What does ETL stand for in the context of a Centralized Data Warehouse Architecture?
Extract, Transform, Load
In the Federated Architecture, what is involved in the logical/physical integration of data?
Common data elements
Which architecture type involves a normalized relational warehouse?
Centralized Data Warehouse Architecture
Which factor relates to the compatibility of a data warehouse with existing systems?
Compatibility with existing systems
What is a constraint on resources an example of?
A common factor in architecture selection decisions
Which architecture type involves existing data marts and legacy systems?
Federated Architecture
Which factor concerns the upper management’s demands?
Upper management’s information needs
What is perceived ability of the in-house IT staff an example of?
A key factor in architecture selection
This quiz covers different architectures of data warehousing, including centralized data warehouse architecture and the process of ETL. It also touches on normalized relational warehouses and end-user access.
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