Exam 8: Data Structures and Caatts for Data Extraction

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VSAM file structures are most effective where rapid access to individual records is a priority need.

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A join builds a new table by creating links.

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A table is in third normal form when it is

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Comment on the following statement: "Legacy systems use flat file structures."

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What are the three physical components of a VSAM file?

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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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Generalized audit software packages perform all of the following tasks except

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Database anomalies are symptoms of structural problems within tables called

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An advantage of using an indexed random file structure is that records are easily added and deleted.

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What are the six phases of view modeling?

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What is a transitive dependency?

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

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Which statement is not true? Embedded audit modules

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The deletion anomaly is the least important of the problems affecting unnormalized databases.

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

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What are the two fundamental components of data structures?

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Entities are

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What is repeating group data?

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The term occurrence is used to describe the number of attributes or fields pertaining to a specific entity.

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The physical database is an abstract representation of the database.

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