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Direct linkDadashzadeh, Mohammad – Journal of Information Systems Education, 2007
Semantic integrity constraints are business-specific rules that limit the permissible values in a database. For example, a university rule dictating that an "incomplete" grade cannot be changed to an A constrains the possible states of the database. To maintain database integrity, business rules should be identified in the course of database…
Descriptors: Semantics, Integrity, Database Management Systems, Database Design
Peer reviewedClementini, Eliseo; Di Felice, Paolino – Journal of the American Society for Information Science, 1994
Proposes an object-oriented conceptual data model tailored for organizing and representing basic map elements and their relationships, as well as operations of interest for the management of geographic data. Discussion includes both conceptual abstraction primitives (classification, generalization, and aggregation) and a spatial abstraction…
Descriptors: Classification, Database Design, Databases, Generalization
LeBlanc, John F.; And Others – Educational Technology, 1992
Discusses elementary school mathematics instruction and describes the design and construction of a database with nonroutine problem-solving situations. A classification for the problems is explained, and use of the database at Indiana University and its potential use by elementary school teachers are described. (four references) (LRW)
Descriptors: Classification, Computer Assisted Instruction, Database Design, Databases
Download full textDietrich, Eleanor; Hendrickson-Larson, Joanna; Hoppe, Ruth; Paige, Bruce; Rosenow, Steve – 2002
The Labor Exchange Skills Project, which was conducted under the sponsorship and direction of the U.S. Department of Labor, Employment and Training Administration, was designed to develop a labor exchange skills database (ETA) that would improve the usability of many Department of Labor applications and products developed by other public and…
Descriptors: Career Education, Career Information Systems, Classification, Database Design
International Federation of Library Associations and Institutions, London (England). – 1992
Five papers from the sessions of the International Federation of Library Associations and Institutions 1992 conference on classification, indexing, and cataloging are presented. Three papers deal with knowledge classification as it relates to database design, as it is practiced in India, and in a worldwide context. The remaining two papers focus…
Descriptors: Cataloging, Classification, Conference Papers, Database Design
McGreal, Rory – 1998
The TeleCampus online database, a project of TeleEducation NB (New Brunswick), aims to be the world's leading World Wide Web site for students seeking information about online courses and programs and for educational institutions and training companies wishing to promote their offerings. It is a comprehensive multilingual database of courses and…
Descriptors: Classification, Computer Assisted Instruction, Course Descriptions, Courses
Morrison, James L. – 1989
At the University of North Carolina at Chapel Hill, a seminar on planning and policy analysis is offered for doctoral students who wish to conduct planning and forecasting studies for their doctoral dissertations or who simply wish to learn such techniques. One of the major projects of the seminar is the development of an environmental scanning…
Descriptors: Classification, Computer Uses in Education, Course Content, Course Descriptions
