Exam 5: Database Management Systems

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_____________________________________________ is another name for query language.

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A secondary key uniquely identifies any row within a relational table.

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In a network database model, data are logically organized into two-dimensional tables.

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A relation is in ______________________________ if it does not contain repeating groups.

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The uniform product codes (UPCs) used by supermarkets and other retailers are examples of a(n) ____________________ coding scheme.

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In a relational database model, data are logically organized into two-dimensional tables.

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An object oriented database system is a database that allows both simple and complex objects to be stored using abstract data types.

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A relation is in second normal form (2NF) if it is in first normal form (1NF) and:

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Which of the following statements regarding the centralized database approach to data management is false?

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A(n) ______________________________ system is a computer-based system that supports collaborative intellectual work such as idea generation, elaboration, analysis, synthesis, information sharing, and decision making.

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A(n) _____________________________________________ is a set of integrated programs designed to simplify the tasks of creating, accessing, and managing a database.

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_________________________ is a measure of the highest level of participation that one entity can have in another entity.

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Which of the following is not a relationship type?

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A spreadsheet is a typical component of a decision support system.

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A(n) ______________________________ is a computer hardware and software system that mimics the human brain's ability to recognize patterns or predict outcomes using less than complete information.

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A SQL is a powerful database language that can be used to define database systems, query the database for information, generate reports from the database, and access databases from within programs using embedded commands.

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______________________________ is the use of information systems facilities to focus on the collection, organization, integration, and long-term storage of entity-wide data.

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With the database approach to data management, we expect to have:

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If attribute A determines a single value for attribute B at any time, we say that attribute B is ____.

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A scanner is used to access a database and to produce inquiry reports.

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