rails-migrations Examples and Free Source Code

What's the correct syntax for remove_index in a Rails 3.1.0 migration?...

ruby-on-rails ruby-on-rails-3.1 rails-migrations

Reinitialize Rails development and test databases from the current working tree state...

ruby-on-rails rake database-schema rails-migrations

How do you keep Rails 4 test db in sync?...

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

link_to with controller_name and action name not working...

ruby-on-rails ruby-on-rails-4 ruby-on-rails-3.2 rails-migrations

Rails migration appears completed, but rake still shows migration as pending...

mysql ruby-on-rails database-migration rails-migrations mysql2

Added Column in Rails, Data isn't recorded...

ruby-on-rails database rails-migrations

Ruby on Rails Activerecord - ids are Exchanged in Model...

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

Tried to change the type of a column, but Rails tries to drop the table instead...

ruby-on-rails rails-migrations ruby-on-rails-5.1

Rails Migrations - Modify rows based on condition...

ruby-on-rails ruby rails-migrations

How to populate ids from add_reference rails migration on existing model...

ruby-on-rails rails-migrations

Where is the documentation page for ActiveRecord data types?...

ruby-on-rails rails-migrations

How do I create a foreign key in rails 5 if I've already created the models for the tables I wan...

foreign-keys rails-activerecord rails-migrations rails-postgresql ruby-on-rails-5.1

Rails Migration Successful, But Not Showing up in Model?...

ruby-on-rails rails-activerecord rails-migrations

ruby on rails: ratyrate on rails 5? migration error aborted...

ruby-on-rails ruby ruby-on-rails-5 rails-migrations

Is it possible to re-order columns when doing a migration?...

ruby-on-rails rails-migrations

Rails 4 migration to change columns data type from string to integer and back preserving data (postg...

ruby-on-rails enums rails-migrations

Unable to run rake db:migrate or any other db related actions...

postgresql ruby-on-rails-4 rails-migrations

Rails Unique Constraints Model + Database Level and Race Conditions...

mysql ruby-on-rails postgresql activerecord rails-migrations

In a rails migration, how can you remove the limit of a field...

ruby-on-rails ruby rails-migrations

Rails 4 throws pending migrations error even if there are no pending migrations...

ruby-on-rails-4 rails-migrations

Rails 5 add column to table and then update view...

ruby-on-rails ruby rails-migrations

Rails 4 concurrent database indexes...

ruby-on-rails postgresql concurrency rails-migrations database-indexes

Rails and MySQL: Wrong interpretation of boolean values...

mysql ruby-on-rails rails-migrations

Creating a rails migration and and populated existing values based off of a method within a model...

ruby-on-rails migration rails-migrations

When using change_column_default on a column with no default, what should be the 'from' valu...

ruby-on-rails rails-activerecord rails-migrations

NoMethodError: undefined method `value_for_database' for #<Array> (Rails 5)...

ruby-on-rails postgresql rails-migrations

How to migrate existing data after adding polymorphic association?...

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

How to rename a folder used for uploads in carrierwave when renaming models and migrating the db?...

ruby-on-rails carrierwave rails-migrations

Drop all columns from table in Rails migration...

mysql database ruby-on-rails-3 database-migration rails-migrations

remove_reference and down migration of add_reference reports no foreign key...

ruby-on-rails rails-activerecord foreign-key-relationship rails-migrations