{"id":168893,"date":"2024-11-06T17:08:25","date_gmt":"2024-11-06T09:08:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168893\/"},"modified":"2024-11-06T17:08:25","modified_gmt":"2024-11-06T09:08:25","slug":"%e7%be%8e%e5%9c%98%e4%b8%89%e9%9d%a2%ef%bc%9a%e4%b8%80%e7%9b%b4%e8%bf%bd%e5%95%8f%e6%88%91%ef%bc%8c-mysql-%e5%b9%bb%e8%ae%80%e8%a2%ab%e5%be%b9%e5%ba%95%e8%a7%a3%e6%b1%ba%e4%ba%86%e5%97%8e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168893\/","title":{"rendered":"\u7f8e\u5718\u4e09\u9762\uff1a\u4e00\u76f4\u8ffd\u554f\u6211\uff0c MySQL \u5e7b\u8b80\u88ab\u5fb9\u5e95\u89e3\u6c7a\u4e86\u55ce\uff1f"},"content":{"rendered":"<h1 id=\"%e7%be%8e%e5%9c%98%e4%b8%89%e9%9d%a2%ef%bc%9a%e4%b8%80%e7%9b%b4%e8%bf%bd%e5%95%8f%e6%88%91%ef%bc%8c-mysql-%e5%b9%bb%e8%ae%80%e8%a2%ab%e5%be%b9%e5%ba%95%e8%a7%a3%e6%b1%ba%e4%ba%86%e5%97%8e%ef%bc%9f-NcFuUmcHdR\">\u7f8e\u5718\u4e09\u9762\uff1a\u4e00\u76f4\u8ffd\u554f\u6211\uff0c MySQL \u5e7b\u8b80\u88ab\u5fb9\u5e95\u89e3\u6c7a\u4e86\u55ce\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u5e7b\u8b80\uff08Phantom Read\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u73fe\u8c61\uff0c\u6307\u7684\u662f\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\uff0c\u7576\u518d\u6b21\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u770b\u5230\u5728\u7b2c\u4e00\u6b21\u67e5\u8a62\u5f8c\u88ab\u5176\u4ed6\u4e8b\u52d9\u63d2\u5165\u7684\u65b0\u6578\u64da\u3002\u9019\u7a2e\u60c5\u6cc1\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u5c24\u70ba\u7a81\u51fa\uff0c\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6027\uff0c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u78ba\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e MySQL \u4e2d\u5e7b\u8b80\u7684\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u4e26\u5206\u6790\u7f8e\u5718\u5728\u9019\u65b9\u9762\u7684\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e5%b9%bb%e8%ae%80%e7%9a%84%e5%ae%9a%e7%be%a9%e8%88%87%e5%bd%b1%e9%9f%bf-NcFuUmcHdR\">\u5e7b\u8b80\u7684\u5b9a\u7fa9\u8207\u5f71\u97ff<\/h2>\n<p>\u5e7b\u8b80\u662f\u6307\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\uff0c\u7576\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u56e0\u70ba\u5176\u4ed6\u4e8b\u52d9\u7684\u63d2\u5165\u64cd\u4f5c\u800c\u5c0e\u81f4\u67e5\u8a62\u7d50\u679c\u7684\u8b8a\u5316\u3002\u9019\u7a2e\u73fe\u8c61\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528 <code>READ COMMITTED<\/code> \u9694\u96e2\u7d1a\u5225\u7684\u60c5\u6cc1\u4e0b\u3002\u5728\u9019\u7a2e\u9694\u96e2\u7d1a\u5225\u4e0b\uff0c\u4e8b\u52d9\u53ea\u80fd\u770b\u5230\u5df2\u63d0\u4ea4\u7684\u6578\u64da\uff0c\u7136\u800c\uff0c\u7576\u5176\u4ed6\u4e8b\u52d9\u63d2\u5165\u65b0\u6578\u64da\u5f8c\uff0c\u539f\u4e8b\u52d9\u518d\u6b21\u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u770b\u5230\u4e0d\u540c\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"mysql-%e4%b8%ad%e7%9a%84%e5%b9%bb%e8%ae%80%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-NcFuUmcHdR\">MySQL \u4e2d\u7684\u5e7b\u8b80\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>MySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u9694\u96e2\u7d1a\u5225\u4f86\u89e3\u6c7a\u5e7b\u8b80\u554f\u984c\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>READ UNCOMMITTED<\/strong>\uff1a\u6700\u4f4e\u7684\u9694\u96e2\u7d1a\u5225\uff0c\u5141\u8a31\u4e8b\u52d9\u8b80\u53d6\u672a\u63d0\u4ea4\u7684\u6578\u64da\uff0c\u5bb9\u6613\u5c0e\u81f4\u5e7b\u8b80\u3002<\/li>\n<li><strong>READ COMMITTED<\/strong>\uff1a\u4e8b\u52d9\u53ea\u80fd\u8b80\u53d6\u5df2\u63d0\u4ea4\u7684\u6578\u64da\uff0c\u80fd\u6e1b\u5c11\u5e7b\u8b80\uff0c\u4f46\u4ecd\u7136\u7121\u6cd5\u5b8c\u5168\u907f\u514d\u3002<\/li>\n<li><strong>REPEATABLE READ<\/strong>\uff1aMySQL \u7684\u9ed8\u8a8d\u9694\u96e2\u7d1a\u5225\uff0c\u80fd\u5920\u9632\u6b62\u5e7b\u8b80\uff0c\u901a\u904e\u4f7f\u7528\u884c\u7d1a\u9396\u4f86\u78ba\u4fdd\u5728\u540c\u4e00\u4e8b\u52d9\u4e2d\u591a\u6b21\u67e5\u8a62\u7684\u7d50\u679c\u4e00\u81f4\u3002<\/li>\n<li><strong>SERIALIZABLE<\/strong>\uff1a\u6700\u9ad8\u7684\u9694\u96e2\u7d1a\u5225\uff0c\u901a\u904e\u5f37\u5236\u4e8b\u52d9\u4e32\u884c\u57f7\u884c\u4f86\u907f\u514d\u5e7b\u8b80\uff0c\u4f46\u6027\u80fd\u958b\u92b7\u8f03\u5927\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%be%8e%e5%9c%98%e7%9a%84%e5%af%a6%e8%b8%90%e6%a1%88%e4%be%8b-NcFuUmcHdR\">\u7f8e\u5718\u7684\u5be6\u8e10\u6848\u4f8b<\/h2>\n<p>\u7f8e\u5718\u4f5c\u70ba\u4e00\u5bb6\u5927\u578b\u7684\u751f\u6d3b\u670d\u52d9\u5e73\u53f0\uff0c\u9762\u5c0d\u8457\u9ad8\u4f75\u767c\u7684\u6578\u64da\u8655\u7406\u9700\u6c42\uff0c\u5c0d\u65bc\u6578\u64da\u4e00\u81f4\u6027\u548c\u6027\u80fd\u7684\u8981\u6c42\u6975\u9ad8\u3002\u5728\u5176\u6578\u64da\u5eab\u67b6\u69cb\u4e2d\uff0c\u7f8e\u5718\u9078\u64c7\u4e86 <code>REPEATABLE READ<\/code> \u9694\u96e2\u7d1a\u5225\u4f86\u89e3\u6c7a\u5e7b\u8b80\u554f\u984c\u3002\u9019\u4e00\u9078\u64c7\u4f7f\u5f97\u5728\u9ad8\u4f75\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u80fd\u5920\u6709\u6548\u5730\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u8a02\u55ae\u8655\u7406\u7684\u5834\u666f\u4e2d\uff0c\u7576\u7528\u6236\u67e5\u8a62\u53ef\u7528\u7684\u9910\u5ef3\u6642\uff0c\u82e5\u4f7f\u7528 <code>REPEATABLE READ<\/code> \u9694\u96e2\u7d1a\u5225\uff0c\u5247\u5728\u540c\u4e00\u4e8b\u52d9\u4e2d\uff0c\u5373\u4f7f\u5176\u4ed6\u7528\u6236\u63d2\u5165\u4e86\u65b0\u7684\u9910\u5ef3\u6578\u64da\uff0c\u539f\u7528\u6236\u7684\u67e5\u8a62\u7d50\u679c\u4ecd\u7136\u4fdd\u6301\u4e0d\u8b8a\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u56e0\u70ba\u5e7b\u8b80\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u8a02\u55ae\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-NcFuUmcHdR\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0cMySQL \u4e2d\u7684\u5e7b\u8b80\u554f\u984c\u96d6\u7136\u5b58\u5728\uff0c\u4f46\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u9694\u96e2\u7d1a\u5225\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u5176\u5f71\u97ff\u3002\u7f8e\u5718\u5728\u9019\u65b9\u9762\u7684\u5be6\u8e10\u8868\u660e\uff0c\u9078\u64c7 <code>REPEATABLE READ<\/code> \u9694\u96e2\u7d1a\u5225\u80fd\u5920\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u9019\u5c0d\u65bc\u4efb\u4f55\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u80fd\u5920\u6eff\u8db3\u4e0d\u540c\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52d9\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f8e\u5718\u4e09\u9762\u63a2\u8a0eMySQL\u5e7b\u8b80\u554f\u984c\uff0c\u6df1\u5165\u5206\u6790\u5176\u89e3\u6c7a\u65b9\u6848\u53ca\u5be6\u969b\u61c9\u7528\uff0c\u63ed\u793a\u6578\u64da\u4e00\u81f4\u6027\u7684\u91cd\u8981\u6027\u8207\u6311\u6230\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-168893","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168893","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=168893"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168893\/revisions"}],"predecessor-version":[{"id":168894,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168893\/revisions\/168894"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}