{"provider_url":"https://hatena.blog","url":"https://yohei-a.hatenablog.jp/entry/20120507/1336361766","type":"rich","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohei-a.hatenablog.jp%2Fentry%2F20120507%2F1336361766\" title=\"V$SQ_HINT - ablog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"ablog","published":"2012-05-07 12:36:06","categories":["Oracle"],"version":"1.0","blog_url":"https://yohei-a.hatenablog.jp/","width":"100%","description":"11g\u304b\u3089\u51c4\u3044\u30d3\u30e5\u30fc\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3088\u3001V$SQL_HINT\uff01 \uff08\u4e2d\u7565\uff09 \u3053\u306e\u30d3\u30e5\u30fc\u3092\u53c2\u7167\u3059\u308b\u3068SQL\u3067\u4f7f\u3048\u308b\u30d2\u30f3\u30c8\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u6bce\u306b\u5206\u304b\u308b\u3002\u5404\u30ab\u30e9\u30e0\u306e\u6b63\u78ba\u306a\u5b9a\u7fa9\u306f\u307e\u3060\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304b\u3055\u308c\u3066\u3044\u306a\u3044\u304c\u3001\u540d\u524d\u3001\u9006\u30d2\u30f3\u30c8\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u7a0b\u5ea6\u306e\u60c5\u5831\u3060\u3051\u3067\u3082\u304b\u306a\u308a\u6d3b\u7528\u3067\u304d\u305d\u3046\u3060\u3002 \u3053\u308c\u306f10g\u3067V$LOCK_TYPE\u30d3\u30e5\u30fc\u304c\u8ffd\u52a0\u3055\u308c\u305f\u6642\u3068\u540c\u3058\u304f\u5b09\u3057\u304b\u3063\u305f\u3002 \u6570\u65e5\u524d\u3001MN Lock Contention\u306b\u95a2\u3059\u308b\u304a\u554f\u5408\u305b\u304c\u3042\u3063\u305f\u5834\u5408\u3001\u3053\u306e\u30d3\u30e5\u30fc\u3092\u53c2\u7167\u3057\u3066\u7c21\u5358\u306b\u305d\u306e\u5b9a\u7fa9\u304c\u5206\u304b\u3063\u305f\u3002 \uff08\u4e2d\u7565\uff09 Oracle\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3067\u3053\u306e\u3088\u3046\u306a\u30e1\u30bf\u2015\u30c7\u30fc\u30bf\u304c\u3088\u308a\u591a\u304f\u304b\u3064\u5e83\u304f\u63d0\u4f9b\u3055\u308c\u3066\u3044\u304f\u3053\u3068\u3092\u7948\u308b\u3002 \u65e5\u672c\u30a8\u30af\u30bb\u30e0\u2225EXEM L\u2026","author_name":"yohei-a","image_url":null,"author_url":"https://blog.hatena.ne.jp/yohei-a/","title":"V$SQ_HINT","height":"190"}