rails-migrations Examples and Free Source Code

Can I add comments to a table or column using ActiveRecord Migrations?...

ruby-on-rails activerecord rails-migrations

How to have Rails migrations run automatically on Heroku...

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"SQLite3::SQLException: index already exists", but I can't find the index anywhere (Ra...

ruby-on-rails database sqlite indexing rails-migrations

How do I run a Rake task using migration in Rails?...

ruby-on-rails rake rails-migrations

how to resolve pending migration error in rails 7...

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index: true vs foreign_key: true (Rails)...

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How does the Rails migration `change` method reverse its operations?...

ruby-on-rails rails-migrations

Rails 6 Migration giving strange error after using multiple databases...

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Meaning of "Expected string default value for ..." on Ruby on Rails...

ruby-on-rails rails-migrations

How to write associations for a model with two foreign keys for the same relationship?...

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

Add timestamps to an existing table...

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Rails - shall I set_callbacks after skip_callbacks?...

ruby-on-rails callback database-migration rails-migrations

Rails migrations—temporarily ignore foreign key constraint?...

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Rails array transfer to new join table...

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What is the best way to resolve Rails orphaned migrations?...

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Ruby on Rails: how to migrate changes made on models?...

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Schema options being changed after migration...

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Can I pass default value to rails generate migration?...

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Multiple Column Foreign Key Ruby on Rails...

ruby-on-rails postgresql rails-migrations

ERROR: column "name_id" cannot be cast automatically to type integer You might need to spe...

ruby-on-rails postgresql rails-migrations

Rails g migration goes new line and does nothing...

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Is there a way to resolve Rails deleted migrations?...

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Is there a way to change column to foreign key?...

ruby-on-rails rails-migrations

Heroku run rake db:migrate results in no change in the database, app restarted several times...

heroku migration rake database-migration rails-migrations

How do I change a time column to an integer column in PostgreSQL with Rails?...

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How to set references in Rails when using custom primary keys...

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adding a new table using rails migration..?...

rails-migrations ruby-1.8.7

How to add a string with a literal backslash in mysql, using ruby/rails migrations?...

mysql rails-migrations

How do you make remove_column reversible?...

ruby-on-rails rails-migrations

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

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