rails-migrations Examples and Free Source Code

How do you make remove_column reversible?...

ruby-on-rails rails-migrations

How can i remove a column from table using rails console...

ruby-on-rails activerecord ruby-on-rails-3.2 rails-migrations

Rails migration does not change schema.rb...

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How should I define a constraint for unique array values within a column in Rails?...

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Rails Migration: add_reference to Table but Different Column Name For Foreign Key Than Rails Convent...

ruby-on-rails rails-migrations

Migration with a decimal number with 2 trailing digits...

ruby-on-rails activerecord rails-migrations

Add and Change the default value for table column with migration...

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Rails Migrations: tried to change the type of column from string to integer...

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Add a reference column migration in Rails 4...

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How to drop columns using Rails migration...

ruby-on-rails ruby database activerecord rails-migrations

Why am I asked to run 'rake db:migrate RAILS_ENV=test'?...

ruby-on-rails rails-migrations ruby-on-rails-4

Index name too long on rails activerecord migration. Tried adding index manually, same error...

ruby-on-rails rails-migrations

Rails migration to update a model attribute for a collection of users...

ruby-on-rails ruby activerecord terminal rails-migrations

Define associations for STI tables...

ruby-on-rails associations rails-migrations sti

ActiveRecord migration - when reversible.up/reversible.down feature was introduced?...

ruby-on-rails activerecord rails-activerecord rails-migrations

How do I add migration with multiple references to the same model in one table? Ruby/Rails...

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Rails: Migration for new has_many association...

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How can I remove a unique constraint from a database column in Rails?...

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Rails recursive association with migrations...

ruby-on-rails rails-migrations

Ruby on rails migration with foriegn key and index...

ruby-on-rails activerecord rails-migrations

how to generate migration to make references polymorphic...

ruby-on-rails polymorphic-associations rails-migrations

Generate an auto increment field in rails...

ruby-on-rails auto-increment rails-migrations

PostgreSQL can't cast type json to character varying[]...

ruby-on-rails postgresql ruby-on-rails-5 postgresql-9.3 rails-migrations

How to do a reversible migration for add_column...

ruby-on-rails activerecord reverse rollback rails-migrations

How did I get a IrreversibleMigration?...

ruby-on-rails rails-activerecord reverse rollback rails-migrations

Rails: Is it bad to have an irreversible migration?...

ruby-on-rails activerecord reverse rollback rails-migrations

Rails Migration to Generate a Calendar Table...

ruby-on-rails database activerecord rails-migrations

Rails migrations: self.up and self.down versus change...

ruby-on-rails migration rails-activerecord rails-migrations

Limit integer size in Rails migration...

ruby-on-rails postgresql rails-migrations

How to reset auto increment field in a ActiveRecord migration?...

ruby-on-rails-3 activerecord rails-migrations