Exam 6: Enhancing Business Intelligence Using Information Systems

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Explain the process of consolidating data from operational systems with other organizational data.

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A crucial process for consolidating data from operational systems with other organizational data to facilitate the use of data mining techniques to gain the greatest and broadest understanding from the data is extraction,transformation,and loading.
First,the data need to be extracted from various different systems.In the transformation stage,data are being cleansed and manipulated to fit the needs of the analysis.Data cleansing refers to the process of detecting,correcting (e.g.,standardizing the format),or removing corrupt or inaccurate data retrieved from different systems.Finally,the transformed data are loaded into the data warehouse and are ready for being used for complex analyses.

Which of the following is a disadvantage of the database approach?

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C

)Online transaction processing (OLTP)systems enable us to fill out a grid,or template,in order to construct a sample or description of the data we would like to see,typically using the drag-and-drop features of a graphical user interface to create a query quickly and easily.

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The systems that are used to interact with customers and run a business in real time are called ________.

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While using digital dashboards,pull reporting is conducted to ________.

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Which of the following is a role of monitoring and sensing agents?

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Describe online analytical processing.

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Text mining refers to extracting textual information from Web documents.

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Data mining agents are also known as shopping bots.

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In online analytical processing systems,________ provide a way to summarize the data.

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One of the advantages of the database approach is program-data independence,which means that it is ________.

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Which of the following statements is true about a data mart?

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Online analytical processing systems are designed for efficient retrieval of data and categorize data as measures and dimensions.

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Data type helps the DBMS ________.

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________ are produced at predefined intervals to support routine decisions.

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The purpose of a data warehouse is to ________.

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Business rules are captured by the designers of the database and included in the data dictionary to ________.

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A query is used to ________.

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Which of the following is a recording of a user's path through a Web site?

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Which of the following statements is true about hard data?

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