{"image_url":null,"description":"MySQL\u306b\u306f\u300cINSERT ... ON DUPLICATE KEY UPDATE\u300d\u3068\u3044\u3046\u4fbf\u5229\u306a\u69cb\u6587\u304c\u3042\u308b\u3002INSERT\u306e\u5185\u5bb9\u304cUNIQUE\u5236\u7d04\u306b\u5f15\u3063\u304b\u304b\u308b\u5834\u5408\u306b\u6307\u5b9a\u30ab\u30e9\u30e0\u306e\u5024\u3092UPDATE\u3057\u3066\u304f\u308c\u308b\u3082\u306e\u3060\u3002\u3053\u306e\u69cb\u6587\u306b\u3064\u3044\u3066\u300c\u8907\u5408UNIQUE\u30ad\u30fc\u306e\u5834\u5408\u306b\u306f\u4f7f\u3048\u306a\u3044\u300d\u3068\u3059\u308b\u8a18\u4e8b\u3092\u898b\u305f\u3002 \u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u3001\u8907\u5408UNIQUE\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u30c6\u30fc\u30d6\u30eb\u3067\u306f\uff08column2\u3068column1\u306e\u7d44\u3067UNIQUE\u306a\u3069\uff09\u3001 UPDATE\u6587\u304c\u8907\u6570\u30ec\u30b3\u30fc\u30c9\u306b\u30de\u30c3\u30c1\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001UNIQUE\u30ad\u30fc\u5236\u7d04\u304c\u5358\u4e00\u30ab\u30e9\u30e0\u306b\u3057\u304b\u306a\u3044\u30c6\u30fc\u30d6\u30eb\u3067\u306e\u307f\u4f7f\u7528\u3057\u307e\u3059\u3002\u5185\u90e8\u7684\u306b\u5b9f\u884c\u3055\u308c\u308bUPDATE\u6587\u306eWHERE\u7bc0\u304cUNIQUE\u2026","title":"\u8907\u5408UNIQUE\u30ad\u30fc\u3067\u3082\u300cINSERT ... ON DUPLICATE KEY UPDATE\u300d\u69cb\u6587\u306f\u4f7f\u3048\u308b","version":"1.0","categories":["MySQL"],"published":"2008-03-29 00:00:01","url":"https://iwamototakashi.hatenadiary.jp/entry/20080329/p1","blog_url":"https://iwamototakashi.hatenadiary.jp/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fiwamototakashi.hatenadiary.jp%2Fentry%2F20080329%2Fp1\" title=\"\u8907\u5408UNIQUE\u30ad\u30fc\u3067\u3082\u300cINSERT ... ON DUPLICATE KEY UPDATE\u300d\u69cb\u6587\u306f\u4f7f\u3048\u308b - \u5ca9\u672c\u9686\u53f2\u306e\u65e5\u8a18\u5e33\uff08\u30a2\u30fc\u30ab\u30a4\u30d6\uff09\" 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_url":"https://blog.hatena.ne.jp/IwamotoTakashi/","provider_url":"https://hatena.blog","author_name":"IwamotoTakashi","provider_name":"Hatena Blog","height":"190","blog_title":"\u5ca9\u672c\u9686\u53f2\u306e\u65e5\u8a18\u5e33\uff08\u30a2\u30fc\u30ab\u30a4\u30d6\uff09"}