rails migration remove colum
remove_column :table_name, :column_name
rails migration remove colum
remove_column :table_name, :column_name
how to destroy a migration in rails
$ rails d migration SameMigrationNameAsUsedToGenerate
rails migration remove column
rails g migration Remove..From.. col1:type col2:type col3:type
#Exemple :
rails g migration RemoveCountryFromSampleApps country:string
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