Exam 1: The Database Environment and Development Process

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Redundancy increases the risk of inconsistent data.

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Personal databases are designed to support a small group of individuals working together on a project.

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A data warehouse derives its data from:

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Data that describe the properties of other data are:

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

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A constraint is a rule in a database system that can be violated by users.

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Metadata are data that describe the properties of other data.

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The SDLC phase in which every data attribute is defined, every category of data is listed and every business relationship between data entities is defined is called the ________ phase.

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Many of the disadvantages of file processing systems can also be limitations of databases.

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________ is the most popular RDMS data model notation.

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A user view is how the user sees the data when it is produced.

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E. F. Codd developed the relational data model during the 1970s.

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Each member of a workgroup accesses data located on a database server.

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A physical schema contains the specifications for how data from a conceptual schema are stored in a computer's secondary memory.

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All projects move from the planning-enterprise modeling step to the planning-conceptual data modeling step of the systems development life cycle.

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The term legacy system refers to a newly installed database management system.

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The most common source of database failures in organizations is:

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Which of the following is NOT an advantage of database systems?

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A workgroup database is stored on a central device called a:

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The need for consensus on data definitions is an example of which type of risk in the database environment?

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