{"id":3694,"date":"2025-05-10T17:45:29","date_gmt":"2025-05-10T09:45:29","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3694"},"modified":"2025-05-10T17:45:29","modified_gmt":"2025-05-10T09:45:29","slug":"mysql%e7%9a%84%e9%bb%98%e8%ae%a4%e9%9a%94%e7%a6%bb%e7%ba%a7%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e5%8f%af%e4%bb%a5%e8%a7%a3%e5%86%b3%e5%b9%bb%e8%af%bb%e9%97%ae%e9%a2%98%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/05\/10\/mysql%e7%9a%84%e9%bb%98%e8%ae%a4%e9%9a%94%e7%a6%bb%e7%ba%a7%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e5%8f%af%e4%bb%a5%e8%a7%a3%e5%86%b3%e5%b9%bb%e8%af%bb%e9%97%ae%e9%a2%98%e5%90%97%ef%bc%9f\/","title":{"rendered":"MySQL\u7684\u9ed8\u8ba4\u9694\u79bb\u7ea7\u522b\u662f\u4ec0\u4e48\uff1f\u53ef\u4ee5\u89e3\u51b3\u5e7b\u8bfb\u95ee\u9898\u5417\uff1f"},"content":{"rendered":"\n

\u9762\u8bd5\u5b98\u63d0\u51fa\u8fd9\u4e2a\u95ee\u9898\u80cc\u540e\u901a\u5e38\u6709\u4ee5\u4e0b\u51e0\u4e2a\u76ee\u7684<\/h3>\n\n\n\n
    \n
  1. \u8003\u5bdf\u57fa\u7840\u77e5\u8bc6<\/strong>\uff1a\u6d4b\u8bd5\u5e94\u8058\u8005\u5bf9 MySQL \u9694\u79bb\u7ea7\u522b\u53ca\u4e8b\u52a1\u9694\u79bb\u7684\u57fa\u7840\u77e5\u8bc6\u662f\u5426\u6e05\u695a\u3002<\/li>\n\n\n\n
  2. \u7406\u89e3\u5e76\u53d1\u63a7\u5236<\/strong>\uff1a\u901a\u8fc7\u8fd9\u4e2a\u95ee\u9898\uff0c\u9762\u8bd5\u5b98\u60f3\u4e86\u89e3\u5e94\u8058\u8005\u662f\u5426\u7406\u89e3\u5e76\u53d1\u63a7\u5236\u4e2d\u6d89\u53ca\u7684\u5404\u79cd\u95ee\u9898\uff0c\u5305\u62ec\u810f\u8bfb\u3001\u4e0d\u53ef\u91cd\u590d\u8bfb\u548c\u5e7b\u8bfb\u3002<\/li>\n\n\n\n
  3. \u6570\u636e\u5e93\u4f18\u5316\u610f\u8bc6<\/strong>\uff1a\u9762\u8bd5\u5b98\u53ef\u80fd\u5e0c\u671b\u77e5\u9053\u5e94\u8058\u8005\u5982\u4f55\u5728\u5b9e\u9645\u573a\u666f\u4e2d\u6743\u8861\u9694\u79bb\u7ea7\u522b\u3001\u6027\u80fd\u548c\u4e00\u81f4\u6027\u8981\u6c42\u3002<\/li>\n\n\n\n
  4. \u89e3\u51b3\u95ee\u9898\u80fd\u529b<\/strong>\uff1a\u901a\u8fc7\u8ba9\u5e94\u8058\u8005\u8bf4\u660e\u5982\u4f55\u89e3\u51b3\u5e7b\u8bfb\u95ee\u9898\uff0c\u9762\u8bd5\u5b98\u80fd\u8003\u5bdf\u5176\u5728\u9762\u5bf9\u5b9e\u9645\u95ee\u9898\u65f6\u7684\u5e94\u5bf9\u7b56\u7565\u3002<\/li>\n<\/ol>\n\n\n\n

    \u7b80\u5316\u7248\u7b54\u6848<\/h3>\n\n\n\n
      \n
    • MySQL\u9ed8\u8ba4\u9694\u79bb\u7ea7\u522b\u662fREPEATABLE READ<\/strong>\uff08\u53ef\u91cd\u590d\u8bfb\uff09\u3002<\/li>\n\n\n\n
    • REPEATABLE READ<\/strong> \u9694\u79bb\u7ea7\u522b\u4e0b\u53ef\u4ee5\u907f\u514d\u810f\u8bfb\u548c\u4e0d\u53ef\u91cd\u590d\u8bfb\uff0c\u4f46\u4e0d\u80fd\u5b8c\u5168\u89e3\u51b3\u5e7b\u8bfb\u95ee\u9898<\/strong>\u3002<\/li>\n\n\n\n
    • \u8981\u89e3\u51b3\u5e7b\u8bfb\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06\u9694\u79bb\u7ea7\u522b\u8bbe\u7f6e\u4e3a SERIALIZABLE<\/strong>\uff08\u4e32\u884c\u5316\uff09\uff0c\u4f46\u6027\u80fd\u4f1a\u6709\u6240\u4e0b\u964d\u3002<\/li>\n<\/ul>\n\n\n\n

      \u5177\u4f53\u5206\u6790<\/h3>\n\n\n\n

      1\u3001MySQL\u9ed8\u8ba4\u9694\u79bb\u7ea7\u522b\uff1aREPEATABLE READ<\/strong><\/h4>\n\n\n\n
        <\/ol>\n\n\n\n
          \n
        • \u5728 REPEATABLE READ<\/strong> \u9694\u79bb\u7ea7\u522b\u4e0b\uff0c\u4e00\u4e2a\u4e8b\u52a1\u8bfb\u53d6\u540c\u4e00\u6570\u636e\u591a\u6b21\u65f6\uff0c\u7ed3\u679c\u662f\u76f8\u540c\u7684\u3002\u5373\u4f7f\u5176\u4ed6\u4e8b\u52a1\u5bf9\u8be5\u6570\u636e\u8fdb\u884c\u4e86\u66f4\u65b0\uff0c\u5f53\u524d\u4e8b\u52a1\u8bfb\u53d6\u7684\u6570\u636e\u59cb\u7ec8\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n\n\n\n
        • \u8be5\u7ea7\u522b\u89e3\u51b3\u4e86 \u810f\u8bfb<\/strong>\uff08\u8bfb\u53d6\u672a\u63d0\u4ea4\u7684\u6570\u636e\uff09\u548c \u4e0d\u53ef\u91cd\u590d\u8bfb<\/strong>\uff08\u540c\u4e00\u67e5\u8be2\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u8fd4\u56de\u4e0d\u540c\u7ed3\u679c\uff09\u95ee\u9898\uff0c\u4f46\u4ecd\u7136\u53ef\u80fd\u51fa\u73b0 \u5e7b\u8bfb<\/strong>\uff08\u4e8b\u52a1\u5185\u67e5\u8be2\u7684\u7ed3\u679c\u96c6\u53d1\u751f\u53d8\u5316\uff09\u3002<\/li>\n<\/ul>\n\n\n\n

          2\u3001\u5e7b\u8bfb\u7684\u4ea7\u751f<\/strong><\/h4>\n\n\n\n
            <\/ol>\n\n\n\n
              \n
            • \u5e7b\u8bfb\u901a\u5e38\u53d1\u751f\u5728\u8303\u56f4\u67e5\u8be2\u4e2d\uff0c\u4f8b\u5982\uff0c\u67e5\u8be2\u67d0\u4e2a\u6761\u4ef6\u4e0b\u7684\u8bb0\u5f55\u6570\uff08\u4f8b\u5982 SELECT COUNT(*) FROM orders WHERE status='pending'<\/code>\uff09\u3002<\/li>\n\n\n\n
            • \u5982\u679c\u5728\u4e8b\u52a1A\u6267\u884c\u67e5\u8be2\u65f6\uff0c\u4e8b\u52a1B\u63d2\u5165\u6216\u5220\u9664\u4e86\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e\uff0c\u90a3\u4e48\u4e8b\u52a1A\u518d\u6b21\u6267\u884c\u76f8\u540c\u67e5\u8be2\u65f6\uff0c\u7ed3\u679c\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u8fd9\u5c31\u662f\u5e7b\u8bfb\u3002<\/li>\n<\/ul>\n\n\n\n

              3\u3001\u5982\u4f55\u89e3\u51b3\u5e7b\u8bfb\u95ee\u9898<\/strong><\/h4>\n\n\n\n
                <\/ol>\n\n\n\n
                  \n
                • REPEATABLE READ<\/strong> \u9694\u79bb\u7ea7\u522b\u4e0b\uff0cMySQL\u901a\u8fc7 Next-Key Lock<\/strong>\uff08\u4e00\u79cd\u52a0\u9501\u7b56\u7565\uff09\u5c3d\u91cf\u51cf\u5c11\u5e7b\u8bfb\u7684\u53d1\u751f\uff0c\u4f46\u5e76\u6ca1\u6709\u5b8c\u5168\u6d88\u9664\u5b83\u3002<\/li>\n\n\n\n
                • SERIALIZABLE<\/strong> \u9694\u79bb\u7ea7\u522b\u662f\u89e3\u51b3\u5e7b\u8bfb\u7684\u6700\u7ec8\u624b\u6bb5\u3002\u5728\u8be5\u7ea7\u522b\u4e0b\uff0c\u4e8b\u52a1\u4f1a\u6309\u987a\u5e8f\u4e32\u884c\u6267\u884c\uff0c\u907f\u514d\u4e86\u5e7b\u8bfb\uff0c\u4f46\u6027\u80fd\u76f8\u5bf9\u8f83\u5dee\uff0c\u56e0\u4e3a\u4e8b\u52a1\u4e4b\u95f4\u7684\u5e76\u53d1\u6027\u88ab\u5927\u5927\u964d\u4f4e\u3002<\/li>\n<\/ul>\n\n\n\n

                  \u9762\u8bd5\u56de\u7b54\u8981\u70b9\u603b\u7ed3<\/h3>\n\n\n\n

                  1\u3001\u9694\u79bb\u7ea7\u522b<\/strong>\uff1a<\/h4>\n\n\n\n
                    \n
                  • REPEATABLE READ<\/strong> \u662f MySQL \u9ed8\u8ba4\u7684\u9694\u79bb\u7ea7\u522b\u3002<\/li>\n\n\n\n
                  • \u8be5\u9694\u79bb\u7ea7\u522b\u907f\u514d\u4e86\u810f\u8bfb\u548c\u4e0d\u53ef\u91cd\u590d\u8bfb\uff0c\u4f46 \u4e0d\u80fd\u5b8c\u5168\u907f\u514d\u5e7b\u8bfb<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n

                    2\u3001\u5e7b\u8bfb\u95ee\u9898<\/strong>\uff1a<\/h4>\n\n\n\n
                      \n
                    • \u5e7b\u8bfb\u662f\u6307\u5728\u4e00\u4e2a\u4e8b\u52a1\u5185\u6267\u884c\u76f8\u540c\u67e5\u8be2\u65f6\uff0c\u67e5\u8be2\u7ed3\u679c\u53d1\u751f\u53d8\u5316\uff0c\u901a\u5e38\u662f\u56e0\u4e3a\u5176\u4ed6\u4e8b\u52a1\u63d2\u5165\u4e86\u7b26\u5408\u67e5\u8be2\u6761\u4ef6\u7684\u6570\u636e\u3002<\/li>\n\n\n\n
                    • REPEATABLE READ<\/strong> \u9694\u79bb\u7ea7\u522b\u901a\u8fc7 Next-Key Lock<\/strong> \u9650\u5236\u5e7b\u8bfb\u7684\u53d1\u751f\uff0c\u4f46\u4e0d\u80fd\u5b8c\u5168\u89e3\u51b3\u3002<\/li>\n<\/ul>\n\n\n\n

                      3\u3001\u89e3\u51b3\u5e7b\u8bfb\u7684\u65b9\u6cd5<\/strong>\uff1a<\/h4>\n\n\n\n
                        <\/ol>\n\n\n\n
                          \n
                        • \u8981\u5f7b\u5e95\u907f\u514d\u5e7b\u8bfb\uff0c\u53ef\u4ee5\u4f7f\u7528 SERIALIZABLE<\/strong> \u9694\u79bb\u7ea7\u522b\uff0c\u5c3d\u7ba1\u8fd9\u6837\u4f1a\u5f71\u54cd\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n

                          \u603b\u7ed3<\/h3>\n\n\n\n
                            \n
                          • \u9762\u8bd5\u65f6\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u8981\u7b80\u6d01\u3001\u6e05\u6670\u5730\u8bf4\u660e MySQL \u9ed8\u8ba4\u7684\u9694\u79bb\u7ea7\u522b\uff0c\u5e76\u5177\u4f53\u89e3\u91ca REPEATABLE READ<\/strong> \u9694\u79bb\u7ea7\u522b\u5982\u4f55\u5904\u7406\u810f\u8bfb\u548c\u4e0d\u53ef\u91cd\u590d\u8bfb\u7684\u95ee\u9898\uff0c\u540c\u65f6\u660e\u786e\u5b83\u65e0\u6cd5\u5b8c\u5168\u89e3\u51b3\u5e7b\u8bfb\u95ee\u9898\u3002<\/li>\n\n\n\n
                          • \u8fdb\u4e00\u6b65\u8ba8\u8bba\u5982\u4f55\u89e3\u51b3\u5e7b\u8bfb\uff0c\u8868\u660e\u4f60\u5bf9 Next-Key Lock<\/strong> \u548c SERIALIZABLE<\/strong> \u9694\u79bb\u7ea7\u522b\u6709\u4e00\u5b9a\u4e86\u89e3\uff0c\u5e76\u80fd\u6839\u636e\u5b9e\u9645\u5e94\u7528\u9700\u6c42\u505a\u51fa\u5408\u7406\u9009\u62e9\u3002<\/li>\n<\/ul>\n\n\n\n

                            \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

                            \u9762\u8bd5\u5b98\u63d0\u51fa\u8fd9\u4e2a\u95ee\u9898\u80cc\u540e\u901a\u5e38\u6709\u4ee5\u4e0b\u51e0\u4e2a\u76ee\u7684 \u7b80\u5316\u7248\u7b54\u6848 \u5177\u4f53\u5206\u6790 1\u3001MySQL\u9ed8\u8ba4\u9694\u79bb\u7ea7\u522b\uff1aREPEATABL […]<\/p>\n","protected":false},"author":1,"featured_media":3695,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"class_list":["post-3694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3694"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3694\/revisions"}],"predecessor-version":[{"id":3696,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3694\/revisions\/3696"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3695"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}