{"id":199736,"date":"2025-05-06T08:14:21","date_gmt":"2025-05-06T00:14:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199736\/"},"modified":"2025-05-06T08:14:21","modified_gmt":"2025-05-06T00:14:21","slug":"mysql%e4%ba%8b%e5%8a%a1%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97%ef%bc%9a%e5%ad%a6%e4%b9%a0%e5%85%b3%e9%94%ae%e7%9a%845%e4%b8%aa%e4%ba%8b%e5%8a%a1%e6%93%8d%e4%bd%9c%e6%97%b6%e6%9c%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199736\/","title":{"rendered":"MySQL\u4e8b\u52a1\u4f7f\u7528\u6307\u5357\uff1a\u5b66\u4e60\u5173\u952e\u76845\u4e2a\u4e8b\u52a1\u64cd\u4f5c\u65f6\u673a"},"content":{"rendered":"

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

MySQL\u4e8b\u52a1\u4f7f\u7528\u6307\u5357\uff1a\u5b66\u4e60\u5173\u952e\u76845\u4e2a\u4e8b\u52a1\u64cd\u4f5c\u65f6\u673a<\/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\u4f7f\u7528\u6307\u5357\uff1a\u4f60\u9700\u8981\u4e86\u89e3\u76845\u4e2a\u5173\u952e\u65f6\u673a<\/p>\n

\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\uff0c\u4e8b\u52a1\u662f\u4e00\u79cd\u5c06\u591a\u4e2a\u64cd\u4f5c\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u8fdb\u884c\u5904\u7406\u7684\u673a\u5236\u3002MySQL\u4f5c\u4e3a\u4e00\u4e2a\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u4e8b\u52a1\u5904\u7406\u529f\u80fd\u3002\u4e86\u89e3MySQL\u4e8b\u52a1\u7684\u5173\u952e\u65f6\u673a\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u597d\u5730\u638c\u63e1\u6570\u636e\u4e00\u81f4\u6027\u548c\u6570\u636e\u5b8c\u6574\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecdMySQL\u4e8b\u52a1\u76845\u4e2a\u5173\u952e\u65f6\u673a\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u6df1\u5165\u5730\u7406\u89e3\u4e8b\u52a1\u7684\u6267\u884c\u8fc7\u7a0b\u3002<\/p>\n

    \n
  1. \u4e8b\u52a1\u7684\u5f00\u59cb\u548c\u7ed3\u675f<\/strong><\/li>\n<\/ol>\n

    \u5728MySQL\u4e2d\uff0c\u4e8b\u52a1\u7531BEGIN\u3001COMMIT\u548cROLLBACK\u8bed\u53e5\u6765\u63a7\u5236\u4e8b\u52a1\u7684\u5f00\u59cb\u548c\u7ed3\u675f\u3002\u5f53BEGIN\u8bed\u53e5\u6267\u884c\u65f6\uff0c\u8868\u793a\u4e00\u4e2a\u4e8b\u52a1\u7684\u5f00\u59cb\uff1b\u5f53COMMIT\u8bed\u53e5\u6267\u884c\u65f6\uff0c\u8868\u793a\u4e8b\u52a1\u7684\u63d0\u4ea4\uff0c\u5373\u5c06\u4e8b\u52a1\u4e2d\u7684\u64cd\u4f5c\u6c38\u4e45\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\uff1b\u5f53ROLLBACK\u8bed\u53e5\u6267\u884c\u65f6\uff0c\u8868\u793a\u4e8b\u52a1\u7684\u56de\u6eda\uff0c\u5373\u64a4\u9500\u4e8b\u52a1\u4e2d\u7684\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

    BEGIN; -- \u5f00\u59cb\u4e8b\u52a1\n-- \u6267\u884c\u4e00\u7cfb\u5217\u7684\u6570\u636e\u5e93\u64cd\u4f5c\nCOMMIT; -- \u63d0\u4ea4\u4e8b\u52a1<\/pre>\n
      \n
    1. \u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b<\/strong><\/li>\n<\/ol>\n
      MySQL\u652f\u6301\u591a\u4e2a\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff0c\u5982READ UNCOMMITTED\u3001READ COMMITTED\u3001REPEATABLE READ\u548cSERIALIZABLE\u3002\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u9694\u79bb\u7ea7\u522b\uff0c\u53ef\u4ee5\u63a7\u5236\u4e8b\u52a1\u4e4b\u95f4\u7684\u9694\u79bb\u7a0b\u5ea6\uff0c\u4ee5\u907f\u514d\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u8bbe\u7f6e\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
      SET TRANSACTION ISOLATION LEVEL READ COMMITTED;<\/pre>\n
        \n
      1. \u4e8b\u52a1\u7684\u56de\u6eda\u70b9<\/strong><\/li>\n<\/ol>\n
        \u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fdd\u5b58\u70b9\uff08Savepoint\uff09\u6765\u8bbe\u7f6e\u4e8b\u52a1\u7684\u56de\u6eda\u70b9\uff0c\u4ee5\u4fbf\u5728\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u90e8\u5206\u56de\u6eda\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4fdd\u5b58\u70b9\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
        SAVEPOINT savepoint_name;\n-- \u6267\u884c\u4e00\u7cfb\u5217\u7684\u6570\u636e\u5e93\u64cd\u4f5c\nROLLBACK TO savepoint_name;<\/pre>\n
          \n
        1. \u4e8b\u52a1\u7684\u81ea\u52a8\u63d0\u4ea4\u4e0e\u663e\u5f0f\u63d0\u4ea4<\/strong><\/li>\n<\/ol>\n
          \u5728MySQL\u4e2d\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\uff0c\u5373\u6bcf\u4e2aSQL\u8bed\u53e5\u90fd\u4f1a\u81ea\u52a8\u8fdb\u884c\u63d0\u4ea4\u64cd\u4f5c\u3002\u4f46\u662f\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eAUTOCOMMIT\u4e3a0\u6765\u5173\u95ed\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\uff0c\u9700\u8981\u663e\u5f0f\u5730\u4f7f\u7528COMMIT\u6216ROLLBACK\u6765\u63d0\u4ea4\u6216\u56de\u6eda\u4e8b\u52a1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5173\u95ed\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
          SET AUTOCOMMIT = 0;<\/pre>\n
            \n
          1. \u4e8b\u52a1\u7684\u5e76\u53d1\u63a7\u5236<\/strong><\/li>\n<\/ol>\n
            \u5728\u591a\u7528\u6237\u5e76\u53d1\u8bbf\u95ee\u6570\u636e\u5e93\u65f6\uff0c\u53ef\u80fd\u4f1a\u5f15\u53d1\u4e8b\u52a1\u4e4b\u95f4\u7684\u7ade\u4e89\u548c\u51b2\u7a81\u3002MySQL\u63d0\u4f9b\u4e86\u9501\u673a\u5236\u6765\u63a7\u5236\u4e8b\u52a1\u7684\u5e76\u53d1\u6267\u884c\uff0c\u5982\u8868\u7ea7\u9501\u3001\u884c\u7ea7\u9501\u7b49\u3002\u901a\u8fc7\u5408\u7406\u5730\u4f7f\u7528\u9501\u673a\u5236\uff0c\u53ef\u4ee5\u907f\u514d\u6570\u636e\u7684\u4e22\u5931\u548c\u4e0d\u4e00\u81f4\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u884c\u7ea7\u9501\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
            BEGIN;\nSELECT * FROM table_name WHERE id = 1 FOR UPDATE;\n-- \u5bf9\u83b7\u53d6\u7684\u6570\u636e\u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\nCOMMIT;<\/pre>\n
            \u901a\u8fc7\u4ee5\u4e0a5\u4e2a\u5173\u952e\u65f6\u673a\u7684\u4ecb\u7ecd\u548c\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\uff0c\u76f8\u4fe1\u8bfb\u8005\u5bf9MySQL\u4e8b\u52a1\u7684\u4f7f\u7528\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002\u5408\u7406\u5730\u4f7f\u7528\u4e8b\u52a1\u80fd\u591f\u786e\u4fdd\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u5e94\u7528MySQL\u4e8b\u52a1\uff0c\u89e3\u51b3\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u6570\u636e\u7ba1\u7406\u95ee\u9898\u3002<\/p>\n
            \u6587\u4e2d\u5173\u4e8emysql,\u6307\u5357,\u4e8b\u52a1\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aMySQL\u4e8b\u52a1\u4f7f\u7528\u6307\u5357\uff1a\u5b66\u4e60\u5173\u952e\u76845\u4e2a\u4e8b\u52a1\u64cd\u4f5c\u65f6\u673a\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
            \n
            \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            MySQL\u4e8b\u52a1\u4f7f\u7528\u6307\u5357\uff1a\u5b66\u4e60\u5173\u952e...<\/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-199736","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199736","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=199736"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199736\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}