blog$ rails g model post title:string content:text
      invoke  active_record
      create  db/migrate/20120505085607_create_posts.rb
      create  app/models/post.rb
      invoke  test_unit
      create  test/unit/post_test.rb
      create  test/fixtures/posts.yml

blog$ rake db:migrate
==  CreatePosts: migrating ====================================================
-- create_table(:posts)
   -> 0.0009s
==  CreatePosts: migrated (0.0011s) ===========================================