{"type":"rich","blog_url":"https://akiyan.hatenadiary.com/","blog_title":" akiyan.com \u7ba1\u7406\u4eba\u30e1\u30e2","version":"1.0","width":"100%","url":"https://akiyan.hatenadiary.com/entry/20040317/1","author_url":"https://blog.hatena.ne.jp/akiyan/","height":"190","title":"mysql PRIMARY KEY\u306e\u6d88\u3057\u65b9","author_name":"akiyan","image_url":null,"description":"ALTER TABLE TEST_CHAR DROP PRIMARY KEY; google:Multiple primary key defined\u3067\u691c\u7d22\u3057\u3066\u767a\u898b\u3002MySQL\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306f\u898b\u6e21\u3057\u8f9b\u3044\u3068\u611f\u3058\u308b\u306e\u3067\u5927\u62b5\u306fgoogle\u3067\u691c\u7d22\u3057\u3066\u3044\u308b\u3002","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","published":"2004-03-17 09:00:01","categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fakiyan.hatenadiary.com%2Fentry%2F20040317%2F1\" title=\"mysql PRIMARY KEY\u306e\u6d88\u3057\u65b9 -  akiyan.com \u7ba1\u7406\u4eba\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}