{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhokaccha.hatenablog.com%2Fentry%2F20130718%2F1374108222\" title=\"PostgreSQL\u3067where\u306e\u5024\u306b\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u3067\u30a8\u30e9\u308b - hokaccha memo\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","blog_title":"hokaccha memo","image_url":null,"published":"2013-07-18 09:43:42","title":"PostgreSQL\u3067where\u306e\u5024\u306b\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u3067\u30a8\u30e9\u308b","provider_url":"https://hatena.blog","categories":["postgresql"],"description":"Rails\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u66f8\u3044\u3066\u3066 entries.where('url != \"\"') MySQL\u3068SQLite\u3067\u306f\u52d5\u3044\u3066\u305f\u3093\u3060\u3051\u3069PostgreSQL\u306b\u79fb\u884c\u3057\u305f\u3089\u30a8\u30e9\u3063\u3066\u52d5\u304b\u306a\u304f\u306a\u3063\u305f\u3002 MySQL uses ' or \" to quote values (i.e. WHERE name = \"John\"). This is not the ANSI standard for databases. PostgreSQL uses only single quotes for this (i.e. WHERE name = 'John'). Double quotes are used \u2026","author_name":"hokaccha","blog_url":"https://hokaccha.hatenablog.com/","width":"100%","author_url":"https://blog.hatena.ne.jp/hokaccha/","provider_name":"Hatena Blog","height":"190","url":"https://hokaccha.hatenablog.com/entry/20130718/1374108222","version":"1.0"}