# Can any one help me by saying some thing about composite Pri

**URL:** <https://www.ruby-forum.com/t/can-any-one-help-me-by-saying-some-thing-about-composite-pri/113815>\
**Category:** Rails\
**Created:** [September 5, 2007, 6:51am UTC](https://www.ruby-forum.com/t/can-any-one-help-me-by-saying-some-thing-about-composite-pri/113815 "2007-09-05T06:51:20Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jhonny](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/919ad9/32.png) [@jhonny](https://www.ruby-forum.com/u/jhonny)\
**Post date:** [September 5, 2007, 6:51am UTC](https://www.ruby-forum.com/t/can-any-one-help-me-by-saying-some-thing-about-composite-pri/113815/1 "2007-09-05T06:51:20Z")

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Hi guys…

Can any one help me by saying some thing about composite Primary  
Keys and its support for migrations and active records in rails?

Thanks N Regards…

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**Author:** ![jhonny](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/919ad9/32.png) [@jhonny](https://www.ruby-forum.com/u/jhonny)\
**Post date:** [September 5, 2007, 1:51pm UTC](https://www.ruby-forum.com/t/can-any-one-help-me-by-saying-some-thing-about-composite-pri/113815/2 "2007-09-05T13:51:32Z")

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On Sep 5, 12:50 am, Jhonny [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> Hi guys…
> 
> Can any one help me by saying some thing about composite Primary  
> Keys and its support for migrations and active records in rails?

I don’t really know what you’re looking for, but I’ll try:

[http://compositekeys.rubyforge.org/](http://compositekeys.rubyforge.org/)

-Bill