Answers for "remove migration rails"

rails migration remove colum

remove_column :table_name, :column_name

how to destroy a migration in rails

$ rails d migration SameMigrationNameAsUsedToGenerate

how to reset migrations rails

To rollback all migrations the best solution is:

rake db:migrate VERSION=0
This will rollback any migrations without losing data. Then, run all migrations again with

rake db:migrate

rails migration remove column

rails g migration Remove..From.. col1:type col2:type col3:type

#Exemple :

rails g migration RemoveCountryFromSampleApps country:string