{"id":199758,"date":"2025-05-06T08:00:39","date_gmt":"2025-05-06T00:00:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199758\/"},"modified":"2025-05-06T08:00:39","modified_gmt":"2025-05-06T00:00:39","slug":"%e4%ba%86%e8%a7%a3mysql%e4%ba%8b%e5%8a%a1%e7%9a%84%e6%9c%ba%e5%88%b6%e5%8f%8a%e9%80%82%e7%94%a8%e6%83%85%e6%99%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199758\/","title":{"rendered":"\u4e86\u89e3MySQL\u4e8b\u52a1\u7684\u673a\u5236\u53ca\u9002\u7528\u60c5\u666f"},"content":{"rendered":"

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

\u4e86\u89e3MySQL\u4e8b\u52a1\u7684\u673a\u5236\u53ca\u9002\u7528\u60c5\u666f<\/h1>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u4e3b\u8981\u8bb2\u89e3\u4e86\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e3b\u673a\u5b9d\u8d1d\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

MySQL\u4e8b\u52a1\u7684\u539f\u7406\u53ca\u5e94\u7528\u573a\u666f<\/p>\n

\u5728\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\uff0c\u4e8b\u52a1\u662f\u4e00\u7ec4SQL\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\u6267\u884c\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u56de\u6eda\u3002MySQL\u4f5c\u4e3a\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u652f\u6301\u4e8b\u52a1\u7684\u7279\u6027\uff0c\u80fd\u591f\u786e\u4fdd\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5728\u4e00\u81f4\u6027\u3001\u9694\u79bb\u6027\u3001\u6301\u4e45\u6027\u548c\u539f\u5b50\u6027\u65b9\u9762\u5f97\u5230\u4fdd\u8bc1\u3002\u672c\u6587\u5c06\u4eceMySQL\u4e8b\u52a1\u7684\u57fa\u672c\u539f\u7406\u5165\u624b\uff0c\u4ecb\u7ecd\u5176\u5e94\u7528\u573a\u666f\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u4f9b\u8bfb\u8005\u53c2\u8003\u3002<\/p>\n

MySQL\u4e8b\u52a1\u7684\u539f\u7406\uff1a<\/p>\n

MySQL\u901a\u8fc7\u4f7f\u7528\u4e8b\u52a1\u5f15\u64ce\uff08\u4f8b\u5982InnoDB\uff09\u6765\u652f\u6301\u4e8b\u52a1\u3002\u4e8b\u52a1\u5f15\u64ce\u4e3b\u8981\u8d1f\u8d23\u5904\u7406\u4e8b\u52a1\u7684\u63d0\u4ea4\u3001\u56de\u6eda\u3001\u9501\u5b9a\u7b49\u64cd\u4f5c\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n

\u4e8b\u52a1\u5177\u6709\u56db\u4e2aACID\u7279\u6027\uff1a<\/p>\n

    \n
  1. \u539f\u5b50\u6027\uff08Atomicity\uff09\uff1a\u4e8b\u52a1\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6267\u884c\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u56de\u6eda\u3002<\/li>\n
  2. \u4e00\u81f4\u6027\uff08Consistency\uff09\uff1a\u4e8b\u52a1\u6267\u884c\u524d\u540e\uff0c\u6570\u636e\u5e93\u72b6\u6001\u5fc5\u987b\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n
  3. \u9694\u79bb\u6027\uff08Isolation\uff09\uff1a\u540c\u4e00\u65f6\u523b\u591a\u4e2a\u4e8b\u52a1\u4e4b\u95f4\u5e94\u8be5\u76f8\u4e92\u9694\u79bb\uff0c\u4e92\u4e0d\u5e72\u6270\u3002<\/li>\n
  4. \u6301\u4e45\u6027\uff08Durability\uff09\uff1a\u4e00\u65e6\u4e8b\u52a1\u63d0\u4ea4\uff0c\u5176\u7ed3\u679c\u5e94\u8be5\u6301\u4e45\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d\u3002<\/li>\n<\/ol>\n

    MySQL\u4e8b\u52a1\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n

      \n
    1. \u8f6c\u8d26\u64cd\u4f5c\uff1a\u5f53\u9700\u8981\u4ece\u4e00\u4e2a\u8d26\u6237\u8f6c\u8d26\u81f3\u53e6\u4e00\u4e2a\u8d26\u6237\u65f6\uff0c\u9700\u8981\u4fdd\u8bc1\u8f6c\u51fa\u548c\u8f6c\u5165\u4e24\u4e2a\u8d26\u6237\u7684\u8d44\u91d1\u64cd\u4f5c\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u4e2d\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/li>\n
    2. \u8ba2\u5355\u64cd\u4f5c\uff1a\u5728\u5904\u7406\u8ba2\u5355\u7684\u521b\u5efa\u3001\u652f\u4ed8\u3001\u53d6\u6d88\u7b49\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u6765\u4fdd\u8bc1\u76f8\u5173\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u3002<\/li>\n
    3. \u6570\u636e\u5e93\u5907\u4efd\uff1a\u5728\u8fdb\u884c\u6570\u636e\u5e93\u5907\u4efd\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u6765\u786e\u4fdd\u5907\u4efd\u8fc7\u7a0b\u4e2d\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/li>\n
    4. \u65e5\u5fd7\u8bb0\u5f55\uff1a\u5bf9\u4e8e\u9700\u8981\u540c\u65f6\u8bb0\u5f55\u591a\u4e2a\u65e5\u5fd7\u4e8b\u4ef6\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u5c06\u591a\u4e2a\u65e5\u5fd7\u5199\u5165\u6570\u636e\u5e93\uff0c\u4fdd\u8bc1\u65e5\u5fd7\u8bb0\u5f55\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<\/ol>\n

      \u4e0b\u9762\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u8f6c\u8d26\u64cd\u4f5c\u4e3a\u4f8b\uff0c\u6f14\u793aMySQL\u4e8b\u52a1\u7684\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

      -- \u521b\u5efa\u6d4b\u8bd5\u8868\nCREATE TABLE account (\n    id INT PRIMARY KEY,\n    name VARCHAR(50),\n    balance DECIMAL(10, 2)\n);\n\n-- \u63d2\u5165\u6d4b\u8bd5\u6570\u636e\nINSERT INTO account (id, name, balance) VALUES (1, 'Alice', 1000.00);\nINSERT INTO account (id, name, balance) VALUES (2, 'Bob', 500.00);\n\n-- \u5f00\u542f\u4e8b\u52a1\nSTART TRANSACTION;\n\n-- \u8f6c\u8d26\u64cd\u4f5c\nUPDATE account SET balance = balance - 100.00 WHERE id = 1;\nUPDATE account SET balance = balance + 100.00 WHERE id = 2;\n\n-- \u63d0\u4ea4\u4e8b\u52a1\nCOMMIT;<\/pre>\n
      \u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u8f6c\u8d26\u64cd\u4f5c\uff0c\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u8d26\u6237\u4fe1\u606f\u7684\u6d4b\u8bd5\u8868\uff0c\u7136\u540e\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u6267\u884c\u4e86\u4e24\u6761SQL\u66f4\u65b0\u8bed\u53e5\uff0c\u5206\u522b\u8868\u793a\u4eceAlice\u8d26\u6237\u4e2d\u51cf\u53bb100\u5143\u5e76\u8f6c\u5165\u5230Bob\u8d26\u6237\u4e2d\u3002\u6700\u540e\u901a\u8fc7COMMIT\u8bed\u53e5\u63d0\u4ea4\u4e8b\u52a1\uff0c\u786e\u4fdd\u8f6c\u8d26\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/p>\n
      \u603b\u7ed3\uff1a<\/p>\n
      MySQL\u7684\u4e8b\u52a1\u673a\u5236\u80fd\u591f\u6709\u6548\u5730\u7ef4\u62a4\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\uff0c\u9002\u7528\u4e8e\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u64cd\u4f5c\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u7684\u573a\u666f\u3002\u901a\u8fc7\u5408\u7406\u5730\u8fd0\u7528\u4e8b\u52a1\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u907f\u514d\u7531\u4e8e\u5e76\u53d1\u64cd\u4f5c\u800c\u5bfc\u81f4\u7684\u6570\u636e\u5f02\u5e38\u60c5\u51b5\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5efa\u8bae\u6839\u636e\u5177\u4f53\u4e1a\u52a1\u9700\u6c42\u5408\u7406\u8fd0\u7528\u4e8b\u52a1\u673a\u5236\uff0c\u4ece\u800c\u63d0\u5347\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u300a\u4e86\u89e3MySQL\u4e8b\u52a1\u7684\u673a\u5236\u53ca\u9002\u7528\u60c5\u666f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8emysql,\u5e94\u7528,\u4e8b\u52a1\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
      \n
      \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u4e86\u89e3MySQL\u4e8b\u52a1\u7684\u673a\u5236\u53ca\u9002\u7528\u60c5...<\/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-199758","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199758","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=199758"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199758\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}