Mis Chapter 3

50 Questions  I  By Rvalatnational_edu
MIS Chapter 3
MIS Chapter 3

  
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1.  A database can contribute to organizational success by providing managers and decision makers with timely, accurate, and relevant information based on data.
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2.                   A DBMS provides a single point of management and control over data resources.
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3.                    A database, a DBMS, and the application programs that use the data make up a query language.
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4.  A character can be an uppercase letter, lowercase letter, numeric digit, or special symbol.
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5.  The physical design of a database involves identifying relationships among the data items and grouping them in an orderly fashion.
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6.  Concurrency control usually involves understanding a specific business problem and analyzing the data and information needed to deliver a solution.
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7.  ER diagrams help ensure that the relationships among the data entities in a database are correctly structured so that any application programs developed are consistent with business operations and user needs.
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8.  Flat file databases do not use database models such as the relational model.
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9.  A database installed on a personal computer is typically meant for a single user.
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10.  In general, a DDL describes logical access paths and logical records in the database.
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11.  SQL is a visual approach to developing database queries or requests.
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12.  Data warehouses allow managers to roll up to take detailed data and generate aggregate or summary reports.
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13.  Competitive intelligence is the same as espionage.
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14.                   One of the most effective counterintelligence measures is to define “trade secret” information relevant to the company and control its dissemination.
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15.  Distributed databases simplify the task of controlling who accesses and changes data in a database.
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16.  Data mining provides top-down, query-driven data analysis; OLAP provides bottom-up, discovery-driven analysis.
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17.  An object-oriented database uses an object-oriented database management system (OODBMS) to provide a user interface and connections to other programs.
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18.  An object-relational database management system provides a complete set of relational database capabilities plus the ability for third parties to add new data types and operations to the database.
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19.  In an object-oriented database, a message is a procedure or action.
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20.  Spatial data technology involves using a database to store and access data according to the locations it describes and to permit spatial queries and analysis.
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21.  A ____ consists of a group of programs that manipulate the database and provide an interface between the database and its users and other application programs.
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22.  A ____ is a skilled and trained IS professional who directs all activities related to an organization’s database, including providing security from intruders.
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23.                   A ____ is the basic building block of information.
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24.  A ____ is typically a name, number, or combination of characters that describes an aspect of a business object or activity.
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25.  A collection of related data fields is a(n) ____.
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26.                   A(n) ____ is a characteristic of an entity.
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27.                   A(n) ____ is a field or set of fields in a record that identifies the record.
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28.  The ____ of a database is an abstract model of how the data should be structured and arranged to meet an organization’s information needs.
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29.  The term ____ describes a way of organizing data in which the logical database design is altered so that certain data entities are combined, summary totals are carried in the data records rather than calculated from elemental data, and some data attributes are repeated in more than one data entity to improve database performance.
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30.  A(n) ____ is a diagram of entities and their relationships.
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31.  A ____ is a database model that describes data in which all data elements are placed in two-dimensional tables, called relations, that are the logical equivalent of files.
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32.                   ____ involves the manipulation of data to eliminate rows according to certain criteria.
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33.                   ____ involves eliminating columns in a table.
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34.                   A ____ is a simple database program whose records have no relationship to one another.
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35.  A ____ provides a description of the entire database.
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36.  A ____ provides a detailed description of all data used in the database.
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37.                   A ____ is a database that holds business information from many sources in the enterprise, covering all aspects of the company’s processes, products, and customers.
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38.  ____ is an information-analysis tool that involves the automated discovery of patterns and relationships in a data warehouse.
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39.                    ____ involves gathering enough of the right information in a timely manner and usable form and analyzing it so that it can have a positive effect on business strategy, tactics, or operations.
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40.  ____ is software that allows users to explore data from a number of perspectives.
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41.                    ____________________ fields in a database include the total, average, maximum, and minimum value.
42.                   Together, bits, characters, fields, records, files, and databases form the ____________________.
43.  A(n) ____________________ is a generalized class of people, places, or things (objects) for which data is collected, stored, and maintained.
44.  A(n) ____________________ is a field or set of fields that uniquely identifies the record.
45.  The ____________________ to data management is an approach whereby a pool of related data is shared by multiple application programs.
46.  The ____________________ design of a database starts from the logical database design and fine-tunes it for performance and cost considerations.
47.  _________________________ is an approach that starts by investigating the general data and information needs of the organization at the strategic level, and then examines more specific data and information needs for the various functional areas and departments within the organization.
48.  In general, the commands that are used to manipulate the database are part of the ______________________________.
49.  A(n) ____________________ is a nontechnical position responsible for defining and implementing consistent principles for a variety of data issues.
50.  ____________________ is used to ensure that replicated databases are accurate, up to date, and consistent with each other.
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