{"description":"Oracle OPTIMIZER_INDEX_COST_ADJ\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u304c\u30a2\u30af\u30bb\u30b9\u30fb\u30d1\u30b9\u3092\u9078\u629e\u3059\u308b\u3068\u304d\u306b\u3001\u7d22\u5f15\u3092\u4f7f\u7528\u3059\u308b\u50be\u5411\u306e\u5f37\u3055\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u304c\u5168\u8868\u30b9\u30ad\u30e3\u30f3\u3088\u308a\u3082\u7d22\u5f15\u30a2\u30af\u30bb\u30b9\u30fb\u30d1\u30b9\u3092\u9078\u629e\u3059\u308b\u50be\u5411\u3092\u3001\u5f37\u3081\u305f\u308a\u5f31\u3081\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306f100\u30d1\u30fc\u30bb\u30f3\u30c8\u3067\u3001\u305d\u306e\u5834\u5408\u3001\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u306f\u7d22\u5f15\u30a2\u30af\u30bb\u30b9\u30fb\u30d1\u30b9\u3092\u901a\u5e38\u30b3\u30b9\u30c8\u3067\u8a55\u4fa1\u3057\u307e\u3059\u3002\u305d\u306e\u4ed6\u306e\u5024\u306b\u3059\u308b\u3068\u3001\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u306f\u30a2\u30af\u30bb\u30b9\u30fb\u30d1\u30b9\u3092\u901a\u5e38\u30b3\u30b9\u30c8\u306e\u305d\u306e\u5272\u5408\u3067\u8a55\u4fa1\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u300150\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u7d22\u5f15\u30a2\u30af\u30bb\u30b9\u30fb\u30d1\u30b9\u306e\u30b3\u30b9\u30c8\u306f\u901a\u5e38\u306e\u534a\u5206\u3067\u898b\u7a4d\u3082\u3089\u308c\u307e\u3059\u3002 show parameter o\u2026","provider_name":"Hatena Blog","blog_url":"https://htn20190109.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2019%2F05%2F06%2F160341\" title=\"\u30d5\u30eb\u30b9\u30ad\u30e3\u30f3\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5236\u5fa1 - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2019-05-06 16:03:41","categories":["DB"],"provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/HTN20190109/","blog_title":"HTN20190109\u306e\u65e5\u8a18","width":"100%","author_name":"HTN20190109","title":"\u30d5\u30eb\u30b9\u30ad\u30e3\u30f3\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5236\u5fa1","image_url":null,"url":"https://htn20190109.hatenablog.com/entry/2019/05/06/160341","height":"190","version":"1.0","type":"rich"}