{"version":"1.0","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fso-wh.at%2Fentry%2F20070910%2Fp2\" title=\" url\u306e\u30ab\u30e9\u30e0\u3092VARCHAR\u2192TEXT\u306b\u5909\u66f4 - so what\" 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","provider_url":"https://hatena.blog","description":"amazon\u306e\u30da\u30fc\u30b8\u306b\u4ed8\u7b8b\u7d19\u3092\u8cbc\u308d\u3046\u3068\u3057\u305f\u3089\u3001url\u304c255\u6587\u5b57\u4ee5\u5185\u306b\u53ce\u307e\u3089\u306a\u304f\u3066\u3001\u5909\u306a\u8868\u793a\u306b\u3002 VARCHAR\u306e\u30b5\u30a4\u30ba\u3092\u5897\u3084\u305d\u3046\u3068\u601d\u3063\u305f\u3051\u3069\u3001\u3069\u3046\u3082MySQL4\u3060\u3068255\u304c\u6700\u9577\u306e\u3088\u3046\u3002\u306a\u306e\u3067\u3001\u578b\u3092VARCHAR\u304b\u3089TEXT\u306b\u5909\u66f4\u3057\u305f\u3002\u4eca\u306e\u3068\u3053\u308d\u3001\u4f53\u611f\u7684\u306a\u901f\u5ea6\u306e\u4f4e\u4e0b\u306f\u898b\u3089\u308c\u306a\u3044\u3002 \u4e00\u5fdc\u3001TEXT\u578b\u3067\u3082\u30b5\u30a4\u30ba\u6307\u5b9a\u4ed8\u304d\u3067INDEX\u3092\u4ed8\u3051\u3089\u308c\u308b\u3088\u3046\u3002 add_index\u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9577\u3055\u3092\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u30d1\u30c3\u30c1\u3068\u304b\u3082\u3042\u3063\u305f\u3002","url":"https://so-wh.at/entry/20070910/p2","blog_url":"https://so-wh.at/","image_url":null,"categories":["RAILS","MYSQL"],"blog_title":"so what","author_name":"winebarrel","width":"100%","author_url":"https://blog.hatena.ne.jp/winebarrel/","provider_name":"Hatena Blog","published":"2007-09-10 00:00:01","title":" url\u306e\u30ab\u30e9\u30e0\u3092VARCHAR\u2192TEXT\u306b\u5909\u66f4"}