Ruby on Rails Guides: Migrations

Migrations are a feature of Active Record that allows you to evolve your database schema over time. Rather than write schema modifications in pure SQL, migrations allow you to use a Ruby Domain Specific Language (DSL) to describe changes to your tables. After reading this guide, you will know: Which generators you can use to create migrations. Which methods Active Record provides to manipulate you

[bouzuya]

rails generate migration の指定をすぐに忘れてしまう。

[watilde]

Supported Typesにjson無いしやっぱ動作しない予感・・・

[Arahabica]

migration

[udzura]

僕が知らない機能がたくさんある、ヤバい。。。

[sessan]

Migrationの公式ガイド。日本語の本はmigrationの情報が少ないな。SIerでもしRailsを使うとしたら、たぶん、migration機能がかなり重要になると思うのに。