{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftilfin.hatenablog.com%2Fentry%2F20080209%2F1202544867\" title=\" MySQL \u3067\u5f8c\u304b\u3089\u30e6\u30cb\u30fc\u30af\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f - tilfin&#39;s note \u8de1\u5730\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2008-02-09 17:14:27","url":"https://tilfin.hatenablog.com/entry/20080209/1202544867","type":"rich","author_url":"https://blog.hatena.ne.jp/tilfin/","title":" MySQL \u3067\u5f8c\u304b\u3089\u30e6\u30cb\u30fc\u30af\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f","image_url":null,"provider_url":"https://hatena.blog","height":"190","description":"\u30d5\u30a3\u30fc\u30eb\u30c9\u3092 Unique \u306b\u3059\u308b\u65b9\u6cd5 mysql> alter table \u5bfe\u8c61\u30c6\u30fc\u30d6\u30eb add unique (\u5bfe\u8c61\u30d5\u30a3\u30fc\u30eb\u30c9); \u4f5c\u696d\u30ed\u30b0\uff08\u30d5\u30a3\u30fc\u30eb\u30c9\u30b5\u30a4\u30ba\u304c 999 \u30d0\u30a4\u30c8\u3092\u8d85\u3048\u3066\u3044\u305f\u3089\uff09 \u4eca\u56de support \u30c6\u30fc\u30d6\u30eb\u306e uri \u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u30e6\u30cb\u30fc\u30af\u5316\u3057\u3088\u3046\u3068\u3057\u305f\u304c\u3001 mysql> alter table support add unique (uri); ERROR 1071 (42000): Specified key was too long; max key length is 999 bytes\u3068\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3002\u5b9a\u7fa9\u3092\u8abf\u3079\u308b\u3068\u3001 mysql> show fields fro\u2026","blog_url":"https://tilfin.hatenablog.com/","width":"100%","author_name":"tilfin","blog_title":"tilfin's note \u8de1\u5730","provider_name":"Hatena Blog","version":"1.0","categories":["MySQL"]}