{"id":199726,"date":"2025-05-06T10:24:53","date_gmt":"2025-05-06T02:24:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199726\/"},"modified":"2025-05-06T10:24:53","modified_gmt":"2025-05-06T02:24:53","slug":"mysql%e4%ba%8b%e5%8a%a1%e7%9a%84%e6%a6%82%e5%bf%b5%e5%8f%8a%e5%85%b6%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199726\/","title":{"rendered":"MySQL\u4e8b\u52a1\u7684\u6982\u5ff5\u53ca\u5176\u7279\u6027"},"content":{"rendered":"

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

MySQL\u4e8b\u52a1\u7684\u6982\u5ff5\u53ca\u5176\u7279\u6027<\/h1>\n

\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n

MySQL\u4e8b\u52a1\u7684\u5b9a\u4e49\u4e0e\u7279\u6027<\/p>\n

MySQL\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u4e8b\u52a1\u662f\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002\u4e8b\u52a1\u662f\u6307\u4e00\u7ec4SQL\u8bed\u53e5\u7684\u6267\u884c\uff0c\u8fd9\u4e9bSQL\u8bed\u53e5\u8981\u4e48\u5168\u90e8\u6267\u884c\uff0c\u8981\u4e48\u5168\u90e8\u4e0d\u6267\u884c\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u4e8b\u52a1\u5177\u6709ACID\u56db\u4e2a\u7279\u6027\uff0c\u5373\u539f\u5b50\u6027\uff08Atomicity\uff09\u3001\u4e00\u81f4\u6027\uff08Consistency\uff09\u3001\u9694\u79bb\u6027\uff08Isolation\uff09\u548c\u6301\u4e45\u6027\uff08Durability\uff09\u3002<\/p>\n

    \n
  1. \u539f\u5b50\u6027\uff08Atomicity\uff09\uff1a\u4e8b\u52a1\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\u6267\u884c\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u56de\u6eda\uff0c\u4e0d\u4f1a\u51fa\u73b0\u90e8\u5206\u64cd\u4f5c\u6210\u529f\u90e8\u5206\u64cd\u4f5c\u5931\u8d25\u7684\u60c5\u51b5\u3002<\/li>\n
  2. \u4e00\u81f4\u6027\uff08Consistency\uff09\uff1a\u4e8b\u52a1\u6267\u884c\u524d\u6570\u636e\u5e93\u5fc5\u987b\u5904\u4e8e\u4e00\u81f4\u72b6\u6001\uff0c\u4e8b\u52a1\u6267\u884c\u540e\u6570\u636e\u5e93\u4ecd\u7136\u4fdd\u6301\u4e00\u81f4\u72b6\u6001\u3002<\/li>\n
  3. \u9694\u79bb\u6027\uff08Isolation\uff09\uff1a\u591a\u4e2a\u4e8b\u52a1\u4e4b\u95f4\u76f8\u4e92\u9694\u79bb\uff0c\u4e00\u4e2a\u4e8b\u52a1\u7684\u6267\u884c\u4e0d\u53d7\u5176\u4ed6\u4e8b\u52a1\u7684\u5e72\u6270\u3002<\/li>\n
  4. \u6301\u4e45\u6027\uff08Durability\uff09\uff1a\u4e8b\u52a1\u4e00\u65e6\u63d0\u4ea4\uff0c\u5219\u5176\u6240\u505a\u7684\u4fee\u6539\u4f1a\u6c38\u4e45\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u53d1\u751f\u6545\u969c\u4e5f\u80fd\u591f\u4fdd\u8bc1\u6570\u636e\u7684\u6301\u4e45\u6027\u3002<\/li>\n<\/ol>\n

    \u4e0b\u9762\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793aMySQL\u4e8b\u52a1\u7684\u7279\u6027\uff1a<\/p>\n

    -- \u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u8868\nCREATE TABLE student (\n    id INT PRIMARY KEY,\n    name VARCHAR(50),\n    age INT\n);\n\n-- \u5f00\u542f\u4e8b\u52a1\nSTART TRANSACTION;\n\n-- \u63d2\u5165\u6570\u636e\nINSERT INTO student VALUES (1, 'Alice', 20);\n\n-- \u67e5\u8be2\u6570\u636e\nSELECT * FROM student;\n\n-- \u63d0\u4ea4\u4e8b\u52a1\nCOMMIT;<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3astudent\u7684\u8868\uff0c\u7136\u540e\u5f00\u542f\u4e86\u4e00\u4e2a\u4e8b\u52a1\u3002\u63a5\u7740\u5411\u8868\u4e2d\u63d2\u5165\u4e86\u4e00\u6761\u6570\u636e\uff0c\u7136\u540e\u67e5\u8be2\u4e86\u8be5\u6570\u636e\u3002\u6700\u540e\uff0c\u901a\u8fc7COMMIT\u8bed\u53e5\u63d0\u4ea4\u4e86\u8fd9\u4e2a\u4e8b\u52a1\uff0c\u4f7f\u5f97\u6570\u636e\u63d2\u5165\u64cd\u4f5c\u751f\u6548\u3002<\/p>\n
    \u5982\u679c\u9047\u5230\u9519\u8bef\u6216\u9700\u8981\u56de\u6eda\u4e8b\u52a1\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u4f7f\u7528ROLLBACK\u8bed\u53e5\u56de\u6eda\u4e8b\u52a1\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
    -- \u5f00\u542f\u4e8b\u52a1\nSTART TRANSACTION;\n\n-- \u63d2\u5165\u6570\u636e\nINSERT INTO student VALUES (2, 'Bob', 25);\n\n-- \u67e5\u8be2\u6570\u636e\nSELECT * FROM student;\n\n-- \u56de\u6eda\u4e8b\u52a1\nROLLBACK;<\/pre>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5982\u679c\u5728\u63d2\u5165\u6570\u636e\u4e4b\u540e\u51fa\u73b0\u4e86\u9519\u8bef\u6216\u8005\u9700\u8981\u653e\u5f03\u8fd9\u4e2a\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7ROLLBACK\u8bed\u53e5\u56de\u6eda\u4e8b\u52a1\uff0c\u64a4\u9500\u4e4b\u524d\u7684\u64cd\u4f5c\uff0c\u4fdd\u6301\u6570\u636e\u5e93\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
    \u901a\u8fc7\u4ee5\u4e0a\u7684\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230MySQL\u4e8b\u52a1\u7684\u7279\u6027\u4ee5\u53ca\u5982\u4f55\u5728MySQL\u4e2d\u5f00\u542f\u3001\u63d0\u4ea4\u548c\u56de\u6eda\u4e8b\u52a1\u3002\u4e8b\u52a1\u80fd\u591f\u4fdd\u8bc1\u6570\u636e\u5e93\u7684\u4e00\u81f4\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u662f\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002<\/p>\n
    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aMySQL\u4e8b\u52a1\u7684\u6982\u5ff5\u53ca\u5176\u7279\u6027\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6570\u636e\u5e93\u77e5\u8bc6\uff01<\/p>\n
    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    MySQL\u4e8b\u52a1\u7684\u6982\u5ff5\u53ca\u5176\u7279\u6027 \u201c...<\/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-199726","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199726","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=199726"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199726\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}