Exam 5: Database Management Systems

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

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For the following diagram, which item is the entity? For the following diagram, which item is the entity?

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A self checking digit code assigns 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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Of the following options, a database that is in ____ form has the best design.

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A(n) _______________________________database model allows both simple and complex objects, including video clips and pictures, to be stored.

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In developing a data model, the term ____________________ describes an association between entities.

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Which of the following statements related to the event-driven approach is false?

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Data redundancy allows non-technical users to bypass the programmer and to access the database directly.

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___________________________________ 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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Systems that use a decoupled approach are often referred to as having _________________ architecture.

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Classifying data refers to grouping or categorizing data according to some common attributes.

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Update anomalies are problems in a relation table caused by the existence of functional dependencies.

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In the network database model, a child record can have more than one parent record.

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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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Transform the relation in Figure TB 5.5 to third normal form (3NF).Label each new relation with a name that describes the attributes. Transform the relation in Figure TB 5.5 to third normal form (3NF).Label each new relation with a name that describes the attributes.

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The mapping of the relationships between entities would be used in the development of a(n):

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____________________ is the process of grouping or categorizing data according to common attributes.

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Which of the following database types has dominance in contemporary systems?

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Primary key ______________ in tables must be unique identifiers.

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The traditional applications approach to business event processing view of business event processing concentrates on the process being performed.

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