{"title":"PostgreSQL\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8\uff1a\u30ed\u30b0\u30a4\u30f3\u304b\u3089\u30b9\u30ad\u30fc\u30de\u78ba\u8a8d\u30fbDML\u307e\u3068\u3081","categories":["PostgreSQL","Rails"],"image_url":null,"blog_title":"Engineering Tech Dojo","provider_name":"Hatena Blog","published":"2026-05-29 22:57:57","description":"PostgreSQL\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8\uff1a\u30ed\u30b0\u30a4\u30f3\u304b\u3089\u30b9\u30ad\u30fc\u30de\u78ba\u8a8d\u30fbDML\u307e\u3068\u3081 \u306f\u3058\u3081\u306b PostgreSQL\u306fRails\u306e\u672c\u756a\u74b0\u5883\u3067\u5e83\u304f\u4f7f\u308f\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002psql \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3068DB\u306b\u76f4\u63a5\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306e\u78ba\u8a8d\u3084\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u30ed\u30b0\u30a4\u30f3\u304b\u3089\u3001\u30b9\u30ad\u30fc\u30de\u30fb\u30c6\u30fc\u30d6\u30eb\u5b9a\u7fa9\u306e\u78ba\u8a8d\u3001\u3088\u304f\u4f7f\u3046SQL\u307e\u3067\u307e\u3068\u3081\u307e\u3059\u3002 \u30ed\u30b0\u30a4\u30f3 psql -U \u30e6\u30fc\u30b6\u30fc\u540d -d \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d psql -U postgres # postgres\u30e6\u30fc\u30b6\u30fc\u3067\u30c7\u30d5\u30a9\u30eb\u30c8DB psql -U postgres -d myapp_development # DB\u6307\u5b9a psql -h localho\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftech.fun-toy-life.com%2Fentry%2F2026%2F05%2F29%2F225757\" title=\"PostgreSQL\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8\uff1a\u30ed\u30b0\u30a4\u30f3\u304b\u3089\u30b9\u30ad\u30fc\u30de\u78ba\u8a8d\u30fbDML\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>","width":"100%","author_name":"plarail_hangout","blog_url":"https://tech.fun-toy-life.com/","provider_url":"https://hatena.blog","height":"190","version":"1.0","url":"https://tech.fun-toy-life.com/entry/2026/05/29/225757","type":"rich","author_url":"https://blog.hatena.ne.jp/plarail_hangout/"}