# ActiveRecord inheritance mapping - Table per subclass?

**URL:** <https://www.ruby-forum.com/t/activerecord-inheritance-mapping-table-per-subclass/164566>\
**Category:** Rails\
**Created:** [April 2, 2009, 5:13pm UTC](https://www.ruby-forum.com/t/activerecord-inheritance-mapping-table-per-subclass/164566 "2009-04-02T17:13:22Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Omar\_Javier\_RodrSSS](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/o/b9e5f3/32.png) [@Omar\_Javier\_RodrSSS](https://www.ruby-forum.com/u/Omar_Javier_RodrSSS)\
**Post date:** [April 2, 2009, 5:13pm UTC](https://www.ruby-forum.com/t/activerecord-inheritance-mapping-table-per-subclass/164566/1 "2009-04-02T17:13:22Z")

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Hi,

Is there a way to implement table per subclass o per concrete class  
strategy  
in ActiveRecord?

Thanks.

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<div class="post-metadata">

**Author:** ![Omar\_Javier\_RodrSSS](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/o/b9e5f3/32.png) [@Omar\_Javier\_RodrSSS](https://www.ruby-forum.com/u/Omar_Javier_RodrSSS)\
**Post date:** [April 2, 2009, 5:15pm UTC](https://www.ruby-forum.com/t/activerecord-inheritance-mapping-table-per-subclass/164566/2 "2009-04-02T17:15:43Z")

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On 2 Apr 2009, at 14:31, Omar Javier Rodríguez Rodríguez wrote:

> Hi,
> 
> Is there a way to implement table per subclass o per concrete class  
> strategy in ActiveRecord?

Set self.abstract\_class=true on the parent class ?

Fred