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  • Role value constraints in ORM2

    My understanding from reading http://www.orm.net/pdf/ORM2.pdf is that role value constraints were introduced in ORM version 2; thus, value constraints in ORM version 1 applied only to object types. Can someone confirm? Thanks, Matt
    Posted to ORM Techniques (Forum) by Matt Nizol on 08-12-2014
  • Spanning Role Value Constraint

    May a value constraint span multiple roles in ORM? Examples in the "Big Brown Book" seem to cover only one role. Consider the below example. If the example constraint is invalid, might an alternative be to objectify the spanned roles and then apply a value constraint to the objectified type...
    Posted to ORM Techniques (Forum) by Matt Nizol on 03-26-2014
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