Exam 9: Database Management Systems

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An ER diagram is a graphical representation of a data model.

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Improperly normalized databases are associated with three types of anomalies: the update anomaly,the insertion anomaly,and the deletion anomaly.

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The most serious problem with unnormalized databases is the

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Explain the three views of a database.

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Which of the following is not a common form of conceptual database model?

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A table is in first normal form when it is

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What are the four elements of the database approach? Explain the role of each.

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Which of the following is a level of the database that is defined by the data definition language?

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How does the database approach solve the problem of data redundancy?

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In the relational database model

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The database approach to data management is sometimes called the flat-file approach.

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Under the database approach,data is viewed as proprietary or owned by users.

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In the relational database model all of the following are true except

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There is more than one conceptual view of the database.

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A table is in second normal form when it is

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The formal name for a row in the physical database table is

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Explain how linkages between relational tables are accomplished.

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Foreign keys physically connect logically related tables to achieve the associates described in the data model.

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All of the following are advantages of a partitioned database except

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What is the update anomaly?

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