Exam 9: Database Management Systems

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Which duty is not the responsibility of the database administrator?

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An entity is any physical thing about which the organization wishes to capture data.

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In the database method of data management,access authority is maintained by systems programming.

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Which procedure will prevent two end users from accessing the same data element at the same time?

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An example of a distributed database is

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A table is in third normal form when it is

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Which statement is correct?

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The physical database is an abstract representation of the database.

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Which statement is not correct? A query language like SQL

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Explain the purpose of an ER diagram in database design.

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Task-data dependency is

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What are the three data management problems caused by data redundancy?

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What is a transitive dependency?

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All of the following are elements of the DBMS which facilitate user access to the database except

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Cardinality describes the number of possible occurrences in one table that are associated with a single occurrence in a related table.

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What is a partial dependency?

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An important feature associated with the traditional approach to data management is the ability to produce ad hoc reports.

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Timestamping is a control that is used to ensure database partitioning.

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A deadlock is a phenomenon that prevents the processing of transactions.

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A description of the physical arrangement of records in the database is

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