Parallel structure EO modeling
Parallel structure EO modeling
- Subject: Parallel structure EO modeling
- From: Ken Anderson <email@hidden>
- Date: Tue, 26 Feb 2013 15:11:11 -0500
All,
I have a difficult decision to make and am waffling back and forth. I'm hoping some of you guys might have come across a similar situation and would have some recommendations.
I have a model where a number of entities can by applied only to males or only to females (it's an exercise app). Part of me wants to create sub-entities called "Male…" and "Female…" because EOF will effectively validate relationships for me. Unfortunately, it's a pretty deep entity hierarchy and there would be a lot of entities that would have to fall into this category. Not to mention there are join tables that wouldn't have an M/F flag, but to stay consistent would have to be subclassed as well.
Any thoughts? I would do them all with single table inheritance, so there wouldn't be much of a performance hit.
Thanks,
Ken
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