Exam 5: Database Management Systems

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In a(n)______________________________ database model,records are organized in a pyramid structure.

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In a(n)______________________________ database model,a child record may have more than one parent.

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A spreadsheet is a typical component of a decision support system.

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A(n)______________________________ is a code that includes an extra digit that can be used to verify the accuracy of the code.

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Decoupling the data from the system applications is called ______________________________.

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Knowledge management is the process of capturing,storing,retrieving,and distributing the knowledge of the individuals in an organization for use by others in the organization to improve the quantity and/or efficiency of decision making.

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The use of information systems facilities to focus on the collection,organization,integration,and long-term storage of entity-wide data is known as:

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The ______________________________ is the way data is actually stored on computer hardware.

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A DBMS is a set of integrated computer programs designed to simplify the tasks of creating,accessing,and managing a centralized database.

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The approach to business event processing in which facts are stored in a relational database is:

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A check digit is a code that includes an extra digit to a code in order to check the accuracy with which the code is keyed into a computer.

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A scanner is used to access a database and to produce inquiry reports.

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A table is in first normal form (1NF)if it has no partial dependencies;that is,no non-key attribute is dependent on only a portion of the primary key.

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Which of the following advantages of the centralized database approach does not occur because of a reduction in data redundancy?

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The principal difference between an executive information system (EIS)and a decision support system (DSS)is that an EIS:

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The database management system,containing data related to all an organization's applications,supports normal data processing needs and enhances the organization's management activities by providing data useful to managers.

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A(n)____ reflects a system's key entities and the relationship among them.

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A description of a portion of a schema is referred to as a(n)______________________________.

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Analyzing collected historical data with multidimensional analytic tools and exploratory techniques is called ______________________________.

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The feature of a database management system that enables nontechnical users to access a database and to produce inquiry reports is the:

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