18 Questions
What distinguishes informational systems from traditional operational systems?
Informational systems are designed for strategic information.
What type of information is needed for strategic decision making?
Information different from that available from operational systems
What is the primary purpose of a data warehouse?
To provide a computing environment for strategic information.
Which of the following is a feature of a Data Warehouse?
Ability for users to run queries without IT assistance
Which of the following is NOT an application typically associated with data warehousing?
Customer service
What is the main purpose of a Data Warehouse environment?
To provide strategic information for analysis and decision making
Why is there a compelling need for data warehousing in every enterprise?
To provide a solution for strategic information needs.
What has the notion of business intelligence evolved to encompass?
Data warehousing and analytics
Which processing requirement is essential in a Data Warehouse environment?
Ability to spot historical trends for future interactive processes
What distinguishes the information needs for strategic decision making from operational systems?
Strategic decision-making requires different information types
Which of the following is a key feature of a data warehouse environment?
Transforming data into information and knowledge
Why is the Data Warehouse environment kept separate from the system environment supporting day-to-day operations?
To isolate strategic data from routine operational data
What are the characteristics of a user-centric environment for data analysis and decision support?
User-driven, responsive, and conducive to the ask–answer–ask again pattern
Why is data integration crucial in a data warehouse environment?
To integrate data from various sources, remove inconsistencies, and transform the data for easy access
What does the term 'data warehousing movement' refer to?
The evolution of business intelligence
Which of the following best describes the purpose of a data warehouse?
Integrating all data sources and transforming data for easy access and decision making
In a data warehouse environment, what is the main task associated with 'removing inconsistencies'?
Resolving conflicts and errors to ensure data quality
How does a user-centric environment differ from a rigid operational system in terms of characteristics?
User-centric environments are fluid, flexible, and interactive, while operational systems are fixed and rigid
Learn about the features of data warehousing and its importance in providing strategic information for analysis, discerning trends, and monitoring performance. Understand how a data warehouse is designed for analytical tasks, integrates data from multiple applications, and is user-friendly for interactive sessions.
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