Notation for cardinalities

April 27, 2006 by Michael

Ich komme immer wieder durcheinander, wenn ich die ER Notation vom Oracle Case (“Krähenfüsse”) in die Min/Max Notation anderer Tools “umrechnen” muss. Bin da auf ein ausführliches PDF der Uni Gießen gestoßen, dass nebenbei auch noch mal ausführlich alle sinnvollen Relationen auflistet:

Oracle Designer I: ER-Diagrams

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