# ruby migration

**URL:** <https://discuss.rubyonrails.org/t/ruby-migration/9946>\
**Category:** rubyonrails-talk\
**Created:** [March 9, 2007, 7:14am UTC](https://discuss.rubyonrails.org/t/ruby-migration/9946 "2007-03-09T07:14:50Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![mohan](https://avatars.discourse-cdn.com/v4/letter/m/a88e57/32.png) [@mohan](https://discuss.rubyonrails.org/u/mohan)\
**Post date:** [March 9, 2007, 7:14am UTC](https://discuss.rubyonrails.org/t/ruby-migration/9946/1 "2007-03-09T07:14:50Z")

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Hi ,

I am new to the ruby on rails. I am having some problem with migration on ruby. any one could explain.... &nbsp;&nbsp;1. what db migration on ruby. &nbsp;&nbsp;2. how to create migration. &nbsp;&nbsp;3. how to migrate the "db" development to production ( now i have create needed to file for migration(for creating new tables) .. i did... "rake db:migrate" command.. it says nothing(no error/ no success command, And also no changes was made in DB)

i have some idea about 1 & 2. but i have no idea about 3. Please help to

Thanks & Regards,

Mohan