Exam 5: Database Management Systems

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The goal of ______________________________ is to produce a database model that contains relationships that are in 3NF.

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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 database design attempts to describe all aspects of the business events and processes under consideration.

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Which of the following statements is true of a network database model?

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A data model depicts the requirements for data as specified by the:

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______________________________ is the most popular data modeling approach.

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Another name for sequential coding is block coding.

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

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

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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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A(n) ______________________________ depicts user requirements for data stored in a database.

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A resource, event, or agent about which data are collected is called:

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A relation is in second normal form (2NF) if it is in first normal form (1NF) and:

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A(n) ______________________________ happens when an attribute is dependent on a portion of the primary key not on the entire key.

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An attribute is ______________________________ on a second attribute if the value for the first attribute determines a value for the second attribute at any time.

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Normalize the database structure in Figure TB 5.1 by transforming it into first normal form (1NF). Normalize the database structure in Figure TB 5.1 by transforming it into first normal form (1NF).

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Which of the following is not a database model discussed in Chapter 5:

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

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

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Data warehousing is the use of information systems facilities to focus on the collection, organization, integration, and long-term storage of entity-wide data.

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