# Foreign Key Use

**URL:** <https://www.ruby-forum.com/t/foreign-key-use/111055>\
**Category:** Rails\
**Created:** [August 2, 2007, 8:10am UTC](https://www.ruby-forum.com/t/foreign-key-use/111055 "2007-08-02T08:10:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![reshma\_gahin](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/a5b964/32.png) [@reshma\_gahin](https://www.ruby-forum.com/u/reshma_gahin)\
**Post date:** [August 2, 2007, 8:10am UTC](https://www.ruby-forum.com/t/foreign-key-use/111055/1 "2007-08-02T08:10:59Z")

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Hi can any1 guide me ,How can i use foreign Key concept in rails, I m  
using Migrations to create tables, Also i want to know diffrent fields  
we can use while creating tables. I mean like String,Date time,  
timestamp,Plz tell me various fields so that i can Make proper use of  
them as per requirement.

Thank u in advance

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**Author:** ![reshma\_gahin](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/a5b964/32.png) [@reshma\_gahin](https://www.ruby-forum.com/u/reshma_gahin)\
**Post date:** [August 2, 2007, 12:12pm UTC](https://www.ruby-forum.com/t/foreign-key-use/111055/2 "2007-08-02T12:12:38Z")

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[http://api.rubyonrails.com/classes/ActiveRecord/Migration.html](http://api.rubyonrails.com/classes/ActiveRecord/Migration.html)  
[http://wiki.rubyonrails.org/rails/pages/UsingMigrations](http://wiki.rubyonrails.org/rails/pages/UsingMigrations)

On 8/2/07, Reshma G. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> >

–  
Cheers!

- Pratik  
[http://m.onkey.org](http://m.onkey.org)