Exam 15: Databases for Decision Support
Exam 1: The Database Approach70 Questions
Exam 2: Database Development Process100 Questions
Exam 3: Data Models70 Questions
Exam 4: Relational Model Characteristics100 Questions
Exam 5: Beginning Structured Query Language Sql100 Questions
Exam 6: Procedural Language Sql and Advanced Sql100 Questions
Exam 7: Data Modeling With Entity Relationship Diagrams100 Questions
Exam 8: Data Modeling Advanced Concepts70 Questions
Exam 9: Normalizing Database Designs100 Questions
Exam 10: Distributed Databases70 Questions
Exam 11: Interacting With Databases Through the Web100 Questions
Exam 12: Database Administration and Security100 Questions
Exam 13: Managing Transactions and Concurrency70 Questions
Exam 14: Managing Database and Sql Performance70 Questions
Exam 15: Databases for Decision Support100 Questions
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____________________ is a term used to describe a comprehensive, cohesive, and integrated set of tools and processes used to capture, collect, integrate, store, and analyze data with the purpose of generating and presenting information used to support business decision making.
Free
(Short Answer)
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Correct Answer:
Business intelligence
BI
Data ____________________ tools provide advanced visual analysis and techniques to enhance understanding of business data.
Free
(Short Answer)
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Correct Answer:
visualization
In the prognosis phase, the data-mining findings are used to predict future behavior and forecast business outcomes.
Free
(True/False)
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Correct Answer:
True
In practice, _________________________ provides a well-orchestrated framework for the management of data that works across all levels of the organization.
(Short Answer)
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The ____________________ hierarchy provides the capability to perform drill-down and roll-up searches in a data warehouse.
(Short Answer)
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Decision support data tend to be non-normalized, ____, and pre-aggregated.
(Multiple Choice)
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What is a data mart? Why do some organizations prefer to create a data mart rather than a data warehouse?
(Essay)
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____________________ is a measurement of the density of the data held in the data cube and is computed by dividing the total number of actual values in the cube by the total number of cells in the cube.
(Short Answer)
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Implementing BI in an organization involves capturing not only business data (internal and external) but also the ____.
(Multiple Choice)
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In most implementations, the data warehouse and OLAP are stand-alone, independent environments.
(True/False)
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____________________ use Web-based technologies to present key business performance indicators or information in a single integrated view, generally using graphics in a clear, concise, and easy to understand manner.
(Short Answer)
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Computed or derived facts are sometimes called ____ to differentiate them from stored facts.
(Multiple Choice)
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Monitoring results to evaluate outcomes of the business decisions is outside the scope of BI.
(True/False)
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Data is captured from the OLTP system and placed on the ____ on a near-real time basis.
(Multiple Choice)
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MDM's main goal is to provide a partial and segmented definition of all data within an organization.
(True/False)
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Analyzing decision support data to generate information is part of ____.
(Multiple Choice)
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____________________ are numeric measurements (values) that represent a specific business aspect or activity.
(Short Answer)
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ROLAP and MOLAP vendors are working toward the integration of their respective solutions within a unified decision support framework.
(True/False)
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