# Multiple database in Ruby on Rails

**URL:** <https://www.ruby-forum.com/t/multiple-database-in-ruby-on-rails/120637>\
**Category:** Rails\
**Created:** [November 19, 2007, 2:00pm UTC](https://www.ruby-forum.com/t/multiple-database-in-ruby-on-rails/120637 "2007-11-19T14:00:41Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![gokul\_murthy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/e0b2c6/32.png) [@gokul\_murthy](https://www.ruby-forum.com/u/gokul_murthy)\
**Post date:** [November 19, 2007, 2:00pm UTC](https://www.ruby-forum.com/t/multiple-database-in-ruby-on-rails/120637/1 "2007-11-19T14:00:41Z")

</div>

Hi to all,

Any can help me …

How to handle multiple database in ruby on rails.

I have to maintain two tables on one database and i have to maintain  
other 4  
tables on another database.

Can you any one send me sample to code to do this please…

You can contact me on this mail id also removed\_email\_address@domain.invalid

Regards,

P.Gokula murthy

> **[Class RailsThinker \< Rails](http://railsthinker.blogspot.com)**
>
> Single Table inheritance from Rails Core.

---

<div class="post-metadata">

**Author:** ![gokul\_murthy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/e0b2c6/32.png) [@gokul\_murthy](https://www.ruby-forum.com/u/gokul_murthy)\
**Post date:** [November 19, 2007, 3:02pm UTC](https://www.ruby-forum.com/t/multiple-database-in-ruby-on-rails/120637/2 "2007-11-19T15:02:20Z")

</div>

On Nov 19, 5:00 am, “gokul murthy” [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> You can contact me on this mail id also removed\_email\_address@domain.invalid
> 
> Regards,
> 
> P.Gokula murthyhttp://railsthinker.blogspot.com

start with these:

[http://rails.rubyonrails.com/classes/ActiveRecord/Base.html](http://rails.rubyonrails.com/classes/ActiveRecord/Base.html)  
[http://wiki.rubyonrails.com/rails/pages/HowtoUseMultipleDatabases](http://wiki.rubyonrails.com/rails/pages/HowtoUseMultipleDatabases)  
[http://groups.google.com/group/rubyonrails-talk/browse\_frm/thread/9b002dee39ecb9f4](http://groups.google.com/group/rubyonrails-talk/browse_frm/thread/9b002dee39ecb9f4)?  
[http://blog.amber.org/2005/06/30/lost-in-multiple-rails/](http://blog.amber.org/2005/06/30/lost-in-multiple-rails/)

---

<div class="post-metadata">

**Author:** ![gokul\_murthy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/e0b2c6/32.png) [@gokul\_murthy](https://www.ruby-forum.com/u/gokul_murthy)\
**Post date:** [November 19, 2007, 5:29pm UTC](https://www.ruby-forum.com/t/multiple-database-in-ruby-on-rails/120637/3 "2007-11-19T17:29:33Z")

</div>

Check out a plugin called UseDB which is all about easy access to an  
arbitrary number of databases within a single application. Even allows  
for migrations (optional) and unit tests for all databases.

[http://agilewebdevelopment.com/plugins/usedb](http://agilewebdevelopment.com/plugins/usedb)