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Transforming N-ary relationships to database schemas: an old and forgotten problem

Autor
Camps, R.
Tipus d'activitat
Document cientificotècnic
Data
2002-02
Codi
LSI-02-5-R
Repositori
http://hdl.handle.net/2117/97601 Obrir en finestra nova
Resum
The N-ary relationships, have been traditionally a source of confusion and still are. One important source of confusion is that the term cardinality in a relationship has several interpretations, two of them being very popular. But none of the two approaches, nor the two together, allow us to express all the possible cardinality patterns. The transformations from all the possible relationships to database schemas have never been described by the existing literature. Using the 14 ternary patterns...
Citació
Camps, R. "Transforming N-ary relationships to database schemas: an old and forgotten problem". 2002.
Paraules clau
Cardinality, Database schemas, Functional dependencies, N-ary relationships, Relational database design, SQL., UML

Participants

  • Camps Pare, Rafael  (autor)

Arxius