Exam 1: The Database Environment and Development Process

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Organizations that utilize the file processing approach spend as much as ________ of their IS development budget on maintenance.

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The traditional methodology used to develop, maintain, and replace information systems is called the:

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All of the following are primary purposes of a database management system (DBMS) EXCEPT:

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The SDLC phase in which the detailed conceptual data model is created is the ________ phase.

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In 1998, ANSI/SPARC published an import document describing the three-schema architecture.

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The three-schema approach includes which of the following schemas?

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The internal schema consists of the physical schema and the enterprise data model.

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Discuss some of the costs associated with the database approach.

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Provide a brief overview of the various components of the database environment.

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________ is a tool even non-programmers can use to access information from a database.

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An extranet uses Internet protocols to establish limited access to company data by the company's customers and suppliers.

(True/False)
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E. F. Codd developed the relational model in the:

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The relational data model is no longer popular in the 21st century.

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Prototyping is a type of rapid application development.

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Data from prior systems is converted to the new system during the implementation phase of the systems development life cycle.

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The repository is populated during the analysis phase of the systems development life cycle.

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Characteristics of the structure of the database are generally changed during the implementation phase of the database development process.

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Data redundancy is used to establish relationships between data but is never used to improve database performance.

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The conceptual schema is always technology specific.

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