Exam 5: Database Management Systems

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A(n) ______________________________ uniquely identifies any row within a relational table.

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In a hierarchical database model, all record relationships are 3:N.

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The database administrator is responsible for administrative and technical issues related to the database management system.

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A(n) ______________________________ is a software program integrated into a decision support system or other software tool that can perform tasks without further direction from the user.

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A unique identifier that serves as an address for each row in a database is called:

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An expert system helps make complex decisions consistently.

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The way a user thinks of data in a database is called the user's ______________________________.

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An intelligent agent is a computer-based system of hardware and software that mimics the human brain's ability to recognize patterns or predict outcomes using less-than-complete information.

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In a DBMS, a complete description of the configuration of record types, data items and the relationships among them is known as:

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A(n) ______________________________ language is used to access a database and to produce inquiry reports.

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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(n) ______________________________ database model, data are logically organized into two-dimensional tables.

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Group Support Systems (GSS) focus on such functions as e-mail, scheduling, and document sharing.

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____ databases include abstract data types that allow users to define characteristics of the data to be stored when developing an application.

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An unnormalized table is a table that contains repeating attributes (or fields) within each row (or record).

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Assigning numbers to objects in chronological sequence is known as:

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The ____ concentrates on the process being performed with data playing a secondary or supporting role.

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______________________________ is the process of grouping or categorizing data according to common attributes.

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A partial dependency happens when an attribute that is dependent on a portion of the primary key not on the entire key.

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A(n) ______________________________ can be used to capture and retain the expertise of retiring employees.

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