{"width":"100%","blog_title":"Engineering Tech Dojo","provider_name":"Hatena Blog","blog_url":"https://tech.fun-toy-life.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftech.fun-toy-life.com%2Fentry%2F2026%2F05%2F29%2F223726\" title=\"Active Record\u5165\u9580\uff1a\u691c\u7d22\u30fb\u66f4\u65b0\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u672c\u307e\u3068\u3081 - Engineering Tech Dojo\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"title":"Active Record\u5165\u9580\uff1a\u691c\u7d22\u30fb\u66f4\u65b0\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u672c\u307e\u3068\u3081","published":"2026-05-29 22:37:26","provider_url":"https://hatena.blog","categories":["Ruby","Rails"],"height":"190","url":"https://tech.fun-toy-life.com/entry/2026/05/29/223726","type":"rich","author_url":"https://blog.hatena.ne.jp/plarail_hangout/","description":"Active Record\u5165\u9580\uff1a\u691c\u7d22\u30fb\u66f4\u65b0\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u672c\u307e\u3068\u3081 \u306f\u3058\u3081\u306b Active Record\u306fRails\u306eORM\u3067\u3001Ruby\u306e\u30b3\u30fc\u30c9\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002SQL\u3092\u76f4\u63a5\u66f8\u304b\u306a\u304f\u3066\u3082 User.where(name: \"\u7530\u4e2d\") \u306e\u3088\u3046\u306b\u66f8\u3051\u3070\u3001\u5bfe\u5fdc\u3059\u308bSQL\u304c\u81ea\u52d5\u3067\u767a\u884c\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u57fa\u672c\u7684\u306aCRUD\u64cd\u4f5c\u304b\u3089\u3001\u691c\u7d22\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30b3\u30fc\u30d7\u307e\u3067\u307e\u3068\u3081\u307e\u3059\u3002 \u30bb\u30c3\u30c8\u30a2\u30c3\u30d7 \u30e2\u30c7\u30eb\u30af\u30e9\u30b9\u306f ApplicationRecord \u3092\u7d99\u627f\u3057\u3066\u4f5c\u308a\u307e\u3059\u3002 # app/models/user.rb class User < ApplicationRecord end Rails\u306f\u30c6\u2026","author_name":"plarail_hangout","version":"1.0"}