{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbsdmad.hatenablog.com%2Fentry%2F20060516%2Fp2\" title=\" \u904b\u7528\u74b0\u5883\u3067\u306e migration - BSDmad \u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","image_url":null,"width":"100%","author_url":"https://blog.hatena.ne.jp/hiro-ueda/","title":" \u904b\u7528\u74b0\u5883\u3067\u306e migration","provider_url":"https://hatena.blog","categories":["Ruby"],"blog_title":"BSDmad \u306e\u65e5\u8a18","blog_url":"https://bsdmad.hatenablog.com/","published":"2006-05-16 00:00:01","type":"rich","author_name":"hiro-ueda","provider_name":"Hatena Blog","description":"UsingMigrations - RoR Wiki \u7ffb\u8a33 Wiki \u3092\u53c2\u8003\u306b % rake --trace environment RAILS_ENV=production migrate (in /work2/Dr.WEB/rails/drweb_intra) ** Invoke environment (first_time) ** Execute environment ** Invoke migrate (first_time) ** Invoke db:migrate (first_time) ** Invoke environment ** Execute db:migrate \u2026","version":"1.0","url":"https://bsdmad.hatenablog.com/entry/20060516/p2"}