Exam 5: Data and Knowledge Management

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A negative value for a student's grade point average is an example of a data integrity problem.

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Online analytical processing (OLAP) involves the analysis of accumulated data by end users.

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_____ tell the database management system which records are joined with others in related tables.

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_____ describe the activities of the business, whereas _____ categorize(s), aggregate(s), and evaluate(s) data generated by the organization's activities.

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_____ occurs when various copies of the data agree.

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In a database, the primary key field is used to _____.

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Explicit knowledge refers to the cumulative store of subjective learning, which is personal and hard to formalize.

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What are the advantages of a data mart? Section reference 1: Data Warehousing

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Big Data has three distinct characteristics that distinguish it from traditional data.

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Organizations are turning to data governance for which of the following reasons?

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_____ occurs when applications cannot access data associated with other applications.

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When data are normalized, attributes in the table depend on the primary key and any secondary keys.

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Refer to IT's About Business 5.4: Hospital Improves Patient Care with Data Warehouse: A single source of all patient data, accessible to multiple hospitals will have the following benefit

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_____ can be exercised to solve a problem, whereas _____ may or may not be able to be exercised to solve a problem.

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Describe the relational database model. Section reference 1: Database Management Systems

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_____ provide(s) companies with a single version of the truth for their data.

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Why is data governance so important for organizations? Section reference 1: Data Governance

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Data dictionaries provide which of the following advantages to the organization?

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Data rot refers to the quality of the data itself.

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Discuss the advantages of the database approach. Section reference 1: The Database Approach

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