Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,764,334,573 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

entity-relationship model
(redirected from ER diagram)

    Also found in: Wikipedia 0.02 sec.
(database, specification)entity-relationship model - An approach to data modelling proposed by P. Chen in 1976. The model says that you divide your database in two logical parts, entities (e.g. "customer", "product") and relations ("buys", "pays for").

Entity-relationship diagrams can be used to represent a model.

["The entity-relationship model: toward a unified view of data", P.P. Chen, ACM Transactions on Database Systems 1:1 pp 9-36, 1976].


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
 Email
Feedback
? Mentioned in ? References in periodicals archive
 
It can show entities and attributes on the ER diagram and missing entities and relationships can be added automatically to allow diagrams to reach consistent standards instantly.
CASEwise Launches New Millenium Version of Corporate Modeler 99 and ... by Business Wire
EasyOBJECT now bundled with EasyER: With EasyOBJECT included with EasyER, you can quickly transition your relational ER diagrams to the new UML object oriented class diagrams and take advantage of the capabilities of the object oriented paradigm.
Visible Now Shipping EasyER/EasyOBJECT 2.0 by Business Wire
EasyOBJECT now bundled with EasyER: With EasyOBJECT included with EasyER, you can quickly transition your relational ER diagrams to the new UML object oriented class diagrams and take advantage of the capabilities of the object oriented paradigm.
Visible Now Shipping EasyER/EasyOBJECT 2.0 by Business Wire
More results
 
Encyclopedia browser? ? Full browser
 
 
Encyclopedia
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.