The ORM Foundation

Get the facts!


Page 1 of 1 (1 items)
  • Cardinality constraints

    I've got a question about cardinality: Is there a way to say # in {0,10} for example, a jury has either 12 members or 0 members. In the book, Information Modeling and Relational Databases it says you can use # = 12, but this doesn't account for the empty set when a table is created, but doesn't show an example of how to account for ...
    Posted to ORM Techniques (Forum) by JB4times4 on Tue, Jun 5 2012
Page 1 of 1 (1 items)
© 2008-2022 The ORM Foundation: A UK not-for-profit organisation -------------- Terms of Service