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Questions and Answers
What is the purpose of the ETL process?
To transform operational data into management-relevant information.
What is the role of a data warehouse in business intelligence?
To store and consolidate large amounts of data from operational systems for further analysis.
What is the function of the staging area in a data warehouse?
To temporarily store extracts in order to relieve downstream systems.
What is the main goal of the enrichment sub-process in the ETL process?
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When did the historical development of business intelligence begin?
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What is the term used to describe a central database that brings together data from different systems used throughout a company?
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What are some examples of analysis-oriented BI applications?
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What does the term business intelligence (BI) refer to?
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What is the basic prerequisite for the use of powerful BI tools?
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How are operational and dispositive systems different from each other?
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What is the purpose of a data warehouse (DWH)?
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What are the two different database structures used in the physical implementation of a multidimensional data model?
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How are dimensions arranged in a star schema?
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What is the difference between SCD type 1 and SCD type 2 dimension historicization?
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What are the main characteristics of reporting systems?
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What are the benefits of using DMS or CMS functions in role assignments?
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What is the purpose of BI portals?
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How can user orientation be increased in BI portals?
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What are the key features of passive metadata?
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What are the focus areas of business metadata?
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Why is a multidimensional data model more flexible than a relational data model for DWH applications?
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What are the operations available for navigating through a multidimensional data model?
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What are the two primary differences between EIS and MIS?
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What is data mining?
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What are concept-oriented systems in BI?
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How can the distribution of BI analysis results be improved?
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