|
When ternary relationships occurs in an ER model they should always be removed before finishing the model. Sometimes the relationships can be replaced by a series of binary relationships that link pairs of the original ternary relationship.
|
db.grussell.org/section004.html
|
|
|
|
13 Database Management Systems 3ed, R. Ramakrishnan and J. Gehrke Binary vs. Ternary Relationships name ssn lot Employees Covers Policies policyid ssn name lot Employees Purchaser cost pname age pname age If each policy is owned by just 1 employee, and each dependent is tied to the covering policy,
|
pages.cs.wisc.edu/~dbbook/openAccess/thirdEdition/slide...
pages.cs.wisc.edu/~dbbook/openAccess/thirdEdition/slides/slides3ed-english/Ch2_ER.pdf
|
|
|
As you can see, Database Design Studio can model a ternary relationship by breaking it down to binary relationships and using a weak entity and “PE to WE” relationships.
|
www.chillisource.com/dds/tutorial/TutorialTernary_Relat...
www.chillisource.com/dds/tutorial/TutorialTernary_Relationships.htm
|
|
Title: Binary Equivalents of Ternary Relationships in Entity-Relationship Modeling: A Logical Decomposition Approach.(Technology Information); Author: Trevor H. Jones; Publication: Journal of Database Management (Refereed);
|
www.amazon.com/exec/obidos/tg/detail/-/B0008GT5ZM/ref=a...
www.amazon.com/exec/obidos/tg/detail/-/B0008GT5ZM/ref=ase_ichef-20
|
|
July 30th, 2008 ... After much pain and suffering trying to get ternary relationships working correctly using the JPA annotations, I finally hit upon this post. ... JPA 2.0 supposedly manages to make this cryptic nonsense, including the ability to associate additional information with a link table, much easier...
|
www.jakubkorab.net/2008/07/hibernatejpa-ternary-relatio...
www.jakubkorab.net/2008/07/hibernatejpa-ternary-relationships.html
|
|
rdfs:label Ternary Relationships: Semantic Requirements and Logically Correct Alternatives. (xsd:string)
|
dblp.l3s.de/d2r/resource/publications/books/idea/siau20...
dblp.l3s.de/d2r/resource/publications/books/idea/siau2002/JonesS02
|
|
Home | Example Publications ... Generated by D2R Server ... rdfs:label Analysis of Binary Relationships within Ternary Relationships in ER Modeling. (xsd:string)
|
dblp.l3s.de/d2r/resource/publications/conf/er/SongJ93
|
|
The following keywords have been assigned to this publication so far. If you have logged in, you can tag ... If you log in you can tag this publication with additional keywords ... A publication can refer to another publication (outgoing references) or it can be referred to by other publications (incoming references).
|
www.pubzone.org/dblp/books/idea/siau2002/JonesS02
|
|
Hello 888-ga, Chill Source has some good examples of ternary relationships and alternative models on their website with easy to understand examples and lots of ERD, Data Structure & even tree diagrams. Ternary Relationships How do I model a ternary relationship in Database Design Studio?
|
answers.google.com/answers/threadview/id/221047.html
|
|
