{"url":"https://hironomiu.hatenablog.com/entry/2012/03/27/145604","provider_name":"Hatena Blog","version":"1.0","blog_url":"https://hironomiu.hatenablog.com/","image_url":null,"author_url":"https://blog.hatena.ne.jp/hironomiu/","categories":[],"description":"MySQL5.6\u3067\u5b9f\u88c5\u3055\u308c\u305foptimizer_trace\u3092\u89e6\u3063\u3066\u307f\u305f \u8a2d\u5b9a\u3067\u304d\u308b\u30d1\u30e9\u30e1\u30fc\u30bf enabled \u521d\u671f\u5024\uff1aoff end_marker \u521d\u671f\u5024\uff1aoff one_line \u521d\u671f\u5024\uff1aoff \u8a2d\u5b9a mysql> show variables like 'opttimizer_trace'; Empty set (0.00 sec) mysql> show variables like 'optimizer_trace'; +-----------------+-----------------------------------------+ | Variable_name | Valu\u2026","published":"2012-03-27 14:56:04","blog_title":"hironomiu's Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhironomiu.hatenablog.com%2Fentry%2F2012%2F03%2F27%2F145604\" title=\"mysql \u30d0\u30fc\u30b8\u30e7\u30f35.6\u3067\u4f7f\u3048\u308boptimizer_trace - hironomiu&#39;s Blog\" 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%","type":"rich","height":"190","provider_url":"https://hatena.blog","title":"mysql \u30d0\u30fc\u30b8\u30e7\u30f35.6\u3067\u4f7f\u3048\u308boptimizer_trace","author_name":"hironomiu"}