A client has a mandatory to-one to person who has a to-one to address.
Sent from my iPhone > On Sep 25, 2013, at 5:39 PM, Mark Wardle <[email protected]> wrote: > > Hi. > > An address doesn't need to relate back to the person or client. > > Have a one-way relationship. > > Mark > >> On 14 Sep 2013, at 05:29, Theodore Petrosky <[email protected]> wrote: >> >> I need an opinion about relationships. >> >> I want to have an entity Person with a to-many to address. a Person could >> have many addresses (home, second home, weekend place, love nest). >> >> And I have clients. a Client needs addresses too (billing, main office, act >> rep, etc) >> >> how would you model this? >> >> a person entity with a to-many relationship to address >> a client entity with a to-many relationship to address >> >> or would you create a subclass of address and map that to the clients. >> >> is it 'bad' to have two to-many relations to an entity, (both person, and >> client mapped to entity address). >> >> Ted >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/webobjects-dev/mark%40wardle.org >> >> This email sent to [email protected] > > -- > Dr. Mark Wardle > Consultant Neurologist, University Hospital Wales, Cardiff, UK > Email: [email protected] or [email protected] Twitter: @mwardle > Telephone: 02920745274 (secretary) or facsimile: 02920744166 > > > > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/marcoinc%40mac.com > > This email sent to [email protected]
_______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
