{"id":15917,"date":"2023-12-04T23:49:49","date_gmt":"2023-12-04T15:49:49","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15917"},"modified":"2023-12-05T00:03:30","modified_gmt":"2023-12-04T16:03:30","slug":"oracle-zhong-jie-shi-shen-me-shi-si-suo-ru-he-jie","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-jie-shi-shen-me-shi-si-suo-ru-he-jie\/","title":{"rendered":"Oracle \u4e2d\u89e3\u91ca\u4ec0\u4e48\u662f\u6b7b\u9501\uff0c\u5982\u4f55\u89e3\u51b3 Oracle \u4e2d\u7684\u6b7b\u9501\uff1f"},"content":{"rendered":"

\u6b7b\u9501\uff08Deadlock\uff09\uff1a<\/strong><\/p>\n

\u6b7b\u9501\u662f\u6307\u4e24\u4e2a\u6216\u591a\u4e2a\u4e8b\u52a1\u56e0\u4e89\u593a\u8d44\u6e90\u800c\u53d1\u751f\u7684\u5faa\u73af\u7b49\u5f85\u7684\u60c5\u51b5\uff0c\u5bfc\u81f4\u4e8b\u52a1\u65e0\u6cd5\u7ee7\u7eed\u6267\u884c\u4e0b\u53bb\u3002\u6bcf\u4e2a\u4e8b\u52a1\u90fd\u5728\u7b49\u5f85\u5176\u4ed6\u4e8b\u52a1\u91ca\u653e\u8d44\u6e90\uff0c\u5f62\u6210\u4e00\u4e2a\u50f5\u5c40\uff0c\u56e0\u6b64\u65e0\u6cd5\u7ee7\u7eed\u8fdb\u884c\u3002<\/p>\n

\u89e3\u51b3 Oracle \u4e2d\u7684\u6b7b\u9501\uff1a<\/strong><\/p>\n

    \n
  1. \n\u4e8b\u52a1\u8bbe\u8ba1\uff1a<\/strong><\/p>\n
      \n
    • \u5408\u7406\u8bbe\u8ba1\u4e8b\u52a1\uff0c\u51cf\u5c11\u4e8b\u52a1\u6301\u6709\u9501\u7684\u65f6\u95f4\uff0c\u5c3d\u91cf\u907f\u514d\u957f\u65f6\u95f4\u7684\u4e8b\u52a1\u3002<\/li>\n
    • \u5c3d\u91cf\u5728\u4e8b\u52a1\u5185\u6309\u7167\u76f8\u540c\u7684\u987a\u5e8f\u83b7\u53d6\u9501\uff0c\u964d\u4f4e\u6b7b\u9501\u7684\u6982\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u9501\u5b9a\u987a\u5e8f\uff1a<\/strong><\/p>\n
        \n
      • \u89c4\u5b9a\u4e8b\u52a1\u83b7\u53d6\u9501\u7684\u987a\u5e8f\uff0c\u4f7f\u6240\u6709\u4e8b\u52a1\u90fd\u6309\u7167\u76f8\u540c\u7684\u987a\u5e8f\u83b7\u53d6\u9501\uff0c\u51cf\u5c11\u6b7b\u9501\u7684\u6982\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u4f7f\u7528\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff1a<\/strong><\/p>\n
          \n
        • \u5408\u7406\u9009\u62e9\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff0c\u4e0d\u8981\u8fc7\u5ea6\u4f7f\u7528\u4e32\u884c\u5316\u9694\u79bb\u7ea7\u522b\uff0c\u56e0\u4e3a\u5b83\u4f1a\u589e\u52a0\u6b7b\u9501\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u8d85\u65f6\u548c\u91cd\u8bd5\uff1a<\/strong><\/p>\n
            \n
          • \u901a\u8fc7\u8bbe\u7f6e\u4e8b\u52a1\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u5f53\u4e8b\u52a1\u8d85\u65f6\u65f6\u81ea\u52a8\u56de\u6eda\uff0c\u907f\u514d\u957f\u65f6\u95f4\u6301\u6709\u9501\u3002<\/li>\n
          • \u5728\u6355\u83b7\u5230\u6b7b\u9501\u5f02\u5e38\u65f6\uff0c\u8fdb\u884c\u91cd\u8bd5\u64cd\u4f5c\uff0c\u91cd\u65b0\u5c1d\u8bd5\u83b7\u53d6\u9501\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u4f7f\u7528\u9501\u5b9a\u63d0\u793a\uff1a<\/strong><\/p>\n
              \n
            • \u4f7f\u7528 SELECT FOR UPDATE<\/code> \u6216 SELECT FOR UPDATE NOWAIT<\/code> \u6765\u660e\u786e\u6307\u5b9a\u4e8b\u52a1\u9700\u8981\u9501\u5b9a\u6570\u636e\u3002<\/li>\n
            • NOWAIT<\/code> \u9009\u9879\u53ef\u7528\u4e8e\u6307\u5b9a\u5982\u679c\u65e0\u6cd5\u83b7\u53d6\u5230\u9501\u5c31\u7acb\u5373\u8fd4\u56de\uff0c\u800c\u4e0d\u662f\u7b49\u5f85\u3002<\/li>\n<\/ul>\n<\/li>\n
            • \n\u76d1\u63a7\u548c\u8bca\u65ad\uff1a<\/strong><\/p>\n
                \n
              • \u4f7f\u7528 Oracle \u63d0\u4f9b\u7684\u76d1\u63a7\u5de5\u5177\u548c\u89c6\u56fe\u6765\u76d1\u63a7\u9501\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u7684\u6b7b\u9501\u95ee\u9898\u3002<\/li>\n
              • \u4f7f\u7528 Oracle \u7684\u8bca\u65ad\u5de5\u5177\u8fdb\u884c\u6b7b\u9501\u7684\u5206\u6790\u548c\u8bca\u65ad\u3002<\/li>\n<\/ul>\n<\/li>\n
              • \n\u4e8b\u52a1\u56de\u6eda\uff1a<\/strong><\/p>\n
                  \n
                • \u5f53\u68c0\u6d4b\u5230\u6b7b\u9501\u65f6\uff0c\u53ef\u4ee5\u9009\u62e9\u56de\u6eda\u4e00\u4e2a\u6216\u591a\u4e2a\u4e8b\u52a1\uff0c\u4ee5\u89e3\u5f00\u6b7b\u9501\u3002<\/li>\n
                • \u901a\u8fc7\u76d1\u63a7\u6b7b\u9501\u53d1\u751f\u7684\u9891\u7387\u548c\u6a21\u5f0f\uff0c\u53ef\u4ee5\u8c03\u6574\u7cfb\u7edf\u7684\u8bbe\u8ba1\u548c\u53c2\u6570\u6765\u51cf\u5c11\u6b7b\u9501\u7684\u53d1\u751f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                  \u6b7b\u9501\u662f\u4e00\u4e2a\u590d\u6742\u7684\u95ee\u9898\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u4e8b\u52a1\u8bbe\u8ba1\u3001\u9501\u5b9a\u7b56\u7565\u548c\u6570\u636e\u5e93\u914d\u7f6e\u7b49\u591a\u4e2a\u65b9\u9762\u3002\u4ee5\u4e0a\u65b9\u6cd5\u63d0\u4f9b\u4e86\u4e00\u4e9b\u901a\u7528\u7684\u89e3\u51b3\u6b7b\u9501\u7684\u601d\u8def\uff0c\u4f46\u5177\u4f53\u7684\u89e3\u51b3\u65b9\u6848\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u4e1a\u52a1\u9700\u6c42\u6765\u5236\u5b9a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                  \u6b7b\u9501\uff08Deadlock\uff09\uff1a \u6b7b\u9501\u662f\u6307\u4e24\u4e2a\u6216\u591a\u4e2a\u4e8b\u52a1\u56e0\u4e89\u593a\u8d44\u6e90\u800c\u53d1\u751f\u7684\u5faa\u73af\u7b49\u5f85\u7684\u60c5\u51b5\uff0c\u5bfc\u81f4\u4e8b\u52a1\u65e0\u6cd5\u7ee7\u7eed\u6267\u884c\u4e0b\u53bb\u3002 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15917","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15917"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15917\/revisions"}],"predecessor-version":[{"id":15918,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15917\/revisions\/15918"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15917"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}