{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhit.hateblo.jp%2Fentry%2FMySQL%2FAUTO_INCREMENT\" title=\" MySQL AUTO_INCREMENT\u30ab\u30e9\u30e0\u306e\u5909\u66f4\u65b9\u6cd5 - Database JUNKY\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"hit10231023","provider_name":"Hatena Blog","url":"https://hit.hateblo.jp/entry/MySQL/AUTO_INCREMENT","description":"\u305f\u3068\u3048\u3070\u3001\u3053\u3093\u306a\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u3063\u3066id\u304c\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u3067\u3059\u3002 CREATE TABLE `users` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `seq_id` int(10) unsigned NOT NULL , `name` varchar(50) NOT NULL DEFAULT '', PRIMARY KEY (`id`) ) ; \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001seq_id\u3092PRIMARY KEY\u306b\u5909\u66f4\u3057\u305f\u3044\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306a\u624b\u9806\u3092\u8e0f\u3081\u3070\u826f\u3044\u3067\u3057\u3087\u3046\u304b\uff1f\u3059\u3053\u3057\u529b\u6280\u306b\u306a\u308a\u307e\u3059 CREATE TABLE `users` (\u2026","published":"2019-03-13 23:35:29","categories":["MySQL","\u30aa\u30fc\u30c8\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8","\u5909\u66f4","\u30d7\u30e9\u30a4\u30de\u30ea","\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc","\u30ad\u30fc\u5909\u66f4","\u30c9\u30ed\u30c3\u30d7\u30d7\u30e9\u30a4\u30de\u30ea\u30fc","increment","primary key","ERROR 1075 (42000): Incorrect table definition; there can be only one auto column and it must be defined as a key","AUTO_INCREMENT"],"blog_url":"https://hit.hateblo.jp/","title":" MySQL AUTO_INCREMENT\u30ab\u30e9\u30e0\u306e\u5909\u66f4\u65b9\u6cd5","author_url":"https://blog.hatena.ne.jp/hit10231023/","version":"1.0","width":"100%","height":"190","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/h/hit10231023/20180309/20180309104332.jpg","blog_title":"Database JUNKY","type":"rich"}