{"id":199627,"date":"2025-05-06T09:30:18","date_gmt":"2025-05-06T01:30:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199627\/"},"modified":"2025-05-06T09:30:18","modified_gmt":"2025-05-06T01:30:18","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3mysql%e9%94%81%e5%8f%8a%e5%85%b6%e5%ae%9e%e9%99%85%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199627\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3MySQL\u9501\u53ca\u5176\u5b9e\u9645\u5e94\u7528"},"content":{"rendered":"

<\/b> <\/p>\n

\u6df1\u5165\u7406\u89e3MySQL\u9501\u53ca\u5176\u5b9e\u9645\u5e94\u7528<\/h1>\n

\u4e3b\u673a\u5b9d\u8d1d\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

MySQL \u9501\u7684\u539f\u7406\u4e0e\u5e94\u7528\u5b9e\u8df5<\/p>\n

\u6458\u8981\uff1aMySQL \u662f\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u5177\u6709\u5f3a\u5927\u7684\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002\u5728\u591a\u7528\u6237\u540c\u65f6\u8bbf\u95ee\u6570\u636e\u5e93\u65f6\uff0c\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0cMySQL \u4f7f\u7528\u9501\u673a\u5236\u6765\u63a7\u5236\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u3002\u672c\u6587\u5c06\u4ecb\u7ecd MySQL \u9501\u7684\u539f\u7406\uff0c\u5305\u62ec\u9501\u7ea7\u522b\u3001\u9501\u7684\u5206\u7c7b\u548c\u9501\u51b2\u7a81\u5904\u7406\u65b9\u5f0f\uff0c\u5e76\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a MySQL \u9501\u7684\u5e94\u7528\u5b9e\u8df5\u3002<\/p>\n

    \n
  1. \u5f15\u8a00
    \u968f\u7740\u4e92\u8054\u7f51\u7684\u8fc5\u731b\u53d1\u5c55\uff0c\u5bf9\u4e8e\u6570\u636e\u5e93\u7684\u5e76\u53d1\u8bbf\u95ee\u9700\u6c42\u8d8a\u6765\u8d8a\u5927\u3002\u800c\u5728\u591a\u7528\u6237\u540c\u65f6\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6ca1\u6709\u5408\u9002\u7684\u9501\u673a\u5236\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u95ee\u9898\u3002\u56e0\u6b64\uff0cMySQL \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u9501\u673a\u5236\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n
  2. \u9501\u7684\u539f\u7406
    \u5728 MySQL \u4e2d\uff0c\u9501\u662f\u4e00\u79cd\u7528\u4e8e\u9650\u5236\u5bf9\u5171\u4eab\u8d44\u6e90\u8bbf\u95ee\u7684\u673a\u5236\u3002\u5f53\u4e00\u4e2a\u7528\u6237\u6216\u8fde\u63a5\u9700\u8981\u5bf9\u67d0\u4e2a\u8d44\u6e90\u8fdb\u884c\u4fee\u6539\u65f6\uff0c\u5b83\u53ef\u4ee5\u8bf7\u6c42\u4e00\u4e2a\u9501\u3002\u5982\u679c\u8d44\u6e90\u5df2\u7ecf\u88ab\u5176\u4ed6\u7528\u6237\u6216\u8fde\u63a5\u9501\u5b9a\uff0c\u5219\u8bf7\u6c42\u4f1a\u88ab\u963b\u585e\uff0c\u76f4\u5230\u8d44\u6e90\u91ca\u653e\u4e3a\u6b62\u3002MySQL \u652f\u6301\u591a\u79cd\u9501\u7ea7\u522b\uff0c\u5305\u62ec\u8868\u7ea7\u9501\u548c\u884c\u7ea7\u9501\u3002<\/li>\n
  3. \u9501\u7684\u5206\u7c7b
    MySQL \u9501\u53ef\u4ee5\u5206\u4e3a\u4e24\u7c7b\uff1a\u5171\u4eab\u9501\u548c\u6392\u4ed6\u9501\u3002\u5171\u4eab\u9501\u4e5f\u88ab\u79f0\u4e3a\u8bfb\u9501\uff0c\u5b83\u5141\u8bb8\u591a\u4e2a\u7528\u6237\u540c\u65f6\u5bf9\u8d44\u6e90\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\uff0c\u4f46\u4e0d\u5141\u8bb8\u5bf9\u8d44\u6e90\u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\u3002\u6392\u4ed6\u9501\u4e5f\u88ab\u79f0\u4e3a\u5199\u9501\uff0c\u5b83\u53ea\u5141\u8bb8\u4e00\u4e2a\u7528\u6237\u5bf9\u8d44\u6e90\u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\uff0c\u5176\u4ed6\u7528\u6237\u5fc5\u987b\u7b49\u5f85\u5199\u9501\u88ab\u91ca\u653e\u540e\u624d\u80fd\u8fdb\u884c\u8bfb\u53d6\u6216\u4fee\u6539\u64cd\u4f5c\u3002<\/li>\n
  4. \u9501\u7684\u7ea7\u522b
    MySQL \u63d0\u4f9b\u4e86\u591a\u4e2a\u9501\u7ea7\u522b\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5f53\u7684\u9501\u7ea7\u522b\u3002\u5e38\u89c1\u7684\u9501\u7ea7\u522b\u5305\u62ec\uff1a<\/li>\n<\/ol>\n

    4.1 \u8868\u7ea7\u9501\uff08Table-level locks\uff09\uff1a\u5bf9\u6574\u4e2a\u8868\u8fdb\u884c\u9501\u5b9a\uff0c\u9002\u7528\u4e8e\u5bf9\u6574\u8868\u8fdb\u884c\u64cd\u4f5c\u7684\u573a\u666f\uff0c\u5982\u5907\u4efd\u3001\u8868\u7ed3\u6784\u7684\u53d8\u66f4\u7b49\u3002<\/p>\n

    4.2 \u884c\u7ea7\u9501\uff08Row-level locks\uff09\uff1a\u5bf9\u8868\u4e2d\u7684\u67d0\u4e00\u884c\u6216\u67d0\u51e0\u884c\u8fdb\u884c\u9501\u5b9a\uff0c\u9002\u7528\u4e8e\u5bf9\u5355\u4e00\u6216\u5c11\u91cf\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u7684\u573a\u666f\uff0c\u5982\u67e5\u8be2\u3001\u66f4\u65b0\u7b49\u3002<\/p>\n

      \n
    1. \u9501\u51b2\u7a81\u5904\u7406\u65b9\u5f0f
      MySQL \u5bf9\u4e8e\u9501\u51b2\u7a81\u6709\u4e0d\u540c\u7684\u5904\u7406\u65b9\u5f0f\uff0c\u4e3b\u8981\u5305\u62ec\u7b49\u5f85\u9501\u548c\u7acb\u5373\u8fd4\u56de\u4e24\u79cd\u65b9\u5f0f\u3002<\/li>\n<\/ol>\n

      5.1 \u7b49\u5f85\u9501\uff1a\u5f53\u4e00\u4e2a\u8bf7\u6c42\u65e0\u6cd5\u83b7\u53d6\u5230\u6240\u9700\u7684\u9501\u65f6\uff0cMySQL \u4f1a\u5c06\u8be5\u8bf7\u6c42\u52a0\u5165\u5230\u7b49\u5f85\u961f\u5217\u4e2d\uff0c\u7b49\u5f85\u9501\u88ab\u91ca\u653e\u540e\u518d\u8fdb\u884c\u5904\u7406\u3002<\/p>\n

      5.2 \u7acb\u5373\u8fd4\u56de\uff1a\u5f53\u4e00\u4e2a\u8bf7\u6c42\u65e0\u6cd5\u83b7\u53d6\u5230\u6240\u9700\u7684\u9501\u65f6\uff0cMySQL \u4f1a\u7acb\u5373\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\uff0c\u800c\u4e0d\u4f1a\u8fdb\u5165\u7b49\u5f85\u961f\u5217\u3002<\/p>\n

        \n
      1. \u5e94\u7528\u5b9e\u8df5\u793a\u4f8b
        \u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u793a\u4f8b\uff0c\u6765\u6f14\u793a MySQL \u9501\u7684\u5e94\u7528\u5b9e\u8df5\u3002<\/li>\n<\/ol>\n

        6.1 \u521b\u5efa\u6d4b\u8bd5\u8868
        \u9996\u5148\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u8868\u6765\u6a21\u62df\u5b9e\u9645\u7684\u6570\u636e\u64cd\u4f5c\u573a\u666f\u3002<\/p>\n

        CREATE TABLE `user` (\n  `id` int(11) NOT NULL AUTO_INCREMENT,\n  `name` varchar(50) NOT NULL,\n  `age` int(11) NOT NULL,\n  PRIMARY KEY (`id`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8;<\/pre>\n
        6.2 \u6dfb\u52a0\u6570\u636e
        \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5411\u8868\u4e2d\u6dfb\u52a0\u4e00\u4e9b\u6d4b\u8bd5\u6570\u636e\u3002<\/p>\n
        INSERT INTO `user` (`name`, `age`)\nVALUES ('\u5f20\u4e09', 20), ('\u674e\u56db', 25), ('\u738b\u4e94', 30);<\/pre>\n
        6.3 \u4f7f\u7528\u6392\u4ed6\u9501\u66f4\u65b0\u6570\u636e
        \u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u6392\u4ed6\u9501\u5bf9\u6570\u636e\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n
        START TRANSACTION;\nSELECT *\nFROM `user`\nWHERE `age` = 25\nFOR UPDATE;\nUPDATE `user`\nSET `age` = 26\nWHERE `age` = 25;\nCOMMIT;<\/pre>\n
        6.4 \u4f7f\u7528\u5171\u4eab\u9501\u8bfb\u53d6\u6570\u636e
        \u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u5171\u4eab\u9501\u5bf9\u6570\u636e\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\u3002<\/p>\n
        START TRANSACTION;\nSELECT *\nFROM `user`\nWHERE `age` = 26\nLOCK IN SHARE MODE;\nCOMMIT;<\/pre>\n
          \n
        1. \u7ed3\u8bba
          MySQL \u9501\u673a\u5236\u662f\u4fdd\u8bc1\u5e76\u53d1\u6570\u636e\u8bbf\u95ee\u7684\u91cd\u8981\u5de5\u5177\uff0c\u5728\u591a\u7528\u6237\u540c\u65f6\u8bbf\u95ee\u6570\u636e\u5e93\u65f6\u8d77\u7740\u5173\u952e\u4f5c\u7528\u3002\u901a\u8fc7\u4e86\u89e3 MySQL \u9501\u7684\u539f\u7406\u3001\u5206\u7c7b\u4ee5\u53ca\u5e94\u7528\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528 MySQL \u7684\u9501\u673a\u5236\uff0c\u4ece\u800c\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ol>\n
          \u53c2\u8003\u8d44\u6599\uff1a
          1.\u300aMySQL 5.7 Reference Manual\u300b
          2.\u300aHigh-Performance MySQL: Optimization, Backups, and Replication\u300b\u4e66\u7c4d<\/p>\n
          \u4ee5\u4e0a\u5c31\u662f\u5173\u4e8e MySQL \u9501\u7684\u539f\u7406\u4e0e\u5e94\u7528\u5b9e\u8df5\u7684\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u5728\u4f7f\u7528 MySQL \u8fdb\u884c\u6570\u636e\u5e93\u5e76\u53d1\u5904\u7406\u65f6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
          \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u6df1\u5165\u7406\u89e3MySQL\u9501\u53ca\u5176\u5b9e\u9645\u5e94\u7528\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
          \n
          \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
          \u6df1\u5165\u7406\u89e3MySQL\u9501\u53ca\u5176\u5b9e\u9645\u5e94\u7528...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199627","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199627"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199627\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}