{"id":252,"date":"2025-09-09T15:18:46","date_gmt":"2025-09-09T07:18:46","guid":{"rendered":"http:\/\/43.139.99.192\/?p=252"},"modified":"2025-09-09T15:18:47","modified_gmt":"2025-09-09T07:18:47","slug":"mysql%e4%ba%8b%e5%8a%a1","status":"publish","type":"post","link":"http:\/\/43.139.99.192\/index.php\/2025\/09\/09\/mysql%e4%ba%8b%e5%8a%a1\/","title":{"rendered":"Mysql\u4e8b\u52a1"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4ec0\u4e48\u662f\u4e8b\u52a1\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8b\u52a1\u5c31\u662f\u4e00\u7ec4DML\u8bed\u53e5\u7ec4\u6210\uff0c\u8fd9\u4e9b\u8bed\u53e5\u5728\u903b\u8f91\u4e0a\u5b58\u5728\u76f8\u5173\u6027\uff0c\u8fd9\u4e00\u7ec4DML\u8bed\u53e5\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\uff0c\u662f\u4e00\u4e2a\u6574\u4f53\u3002<\/p>\n\n\n\n<p 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src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"515\" data-original=\"http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-2-1024x515.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-254\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bfb\u63d0\u4ea4\u3010Read Committed\u3011 \uff1a\u8be5\u9694\u79bb\u7ea7\u522b\u662f\u5927\u591a\u6570\u6570\u636e\u5e93\u7684\u9ed8\u8ba4\u7684\u9694\u79bb\u7ea7\u522b\uff08\u4e0d\u662f MySQL \u9ed8\u8ba4<\/p>\n\n\n\n<p 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src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"514\" data-original=\"http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-3-1024x514.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-255\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53ef\u91cd\u590d\u8bfb\u3010Repeatable Read\u3011\uff1a<\/strong>&nbsp;\u8fd9\u662f MySQL \u9ed8\u8ba4\u7684\u9694\u79bb\u7ea7\u522b\uff0c\u5b83\u786e\u4fdd\u540c\u4e00\u4e2a\u4e8b\u52a1\uff0c\u5728\u6267\u884c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e2d\uff0c\u591a\u6b21\u8bfb\u53d6\u64cd\u4f5c\u6570\u636e\u65f6\uff0c\u4f1a\u770b\u5230\u540c\u6837\u7684\u6570\u636e\u884c\u3002\u4f46\u662f\u4f1a\u6709\u5e7b\u8bfb\u95ee\u9898\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-4-1024x474.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"474\" data-original=\"http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-4-1024x474.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-256\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e32\u884c\u5316\u3010Serializable\u3011:&nbsp;<\/strong>\u8fd9\u662f\u4e8b\u52a1\u7684\u6700\u9ad8\u9694\u79bb\u7ea7\u522b\uff0c\u5b83\u901a\u8fc7\u5f3a\u5236\u4e8b\u52a1\u6392\u5e8f\uff0c\u4f7f\u4e4b\u4e0d\u53ef\u80fd\u76f8\u4e92\u51b2\u7a81\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u800c\u89e3\u51b3\u4e86\u5e7b\u8bfb\u7684\u95ee\u9898\u3002\u5b83\u5728\u6bcf\u4e2a\u8bfb\u7684\u6570\u636e\u884c\u4e0a\u9762\u52a0\u4e0a\u5171\u4eab\u9501\uff0c\u3002\u4f46\u662f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8d85\u65f6\u548c\u9501\u7ade\u4e89<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u8fd9\u79cd\u9694\u79bb\u7ea7\u522b\u592a\u6781\u7aef\uff0c\u5b9e\u9645\u751f\u4ea7\u57fa\u672c\u4e0d\u4f7f\u7528\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-5-1024x457.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"457\" data-original=\"http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-5-1024x457.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-257\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#8211; \u810f\u8bfb\uff1a\u4e00\u4e2a\u4e8b\u52a1\u8bfb\u53d6\u5230\u53e6\u4e00\u4e2a\u4e8b\u52a1\u672a\u63d0\u4ea4\u7684\u4fee\u6539\u6570\u636e\u3002<br>&#8211; \u4e0d\u53ef\u91cd\u590d\u8bfb\uff1a\u4e00\u4e2a\u4e8b\u52a1\u5185\u591a\u6b21\u8bfb\u53d6\u540c\u4e00\u6570\u636e\uff0c\u7ed3\u679c\u56e0\u5176\u4ed6\u4e8b\u52a1\u4fee\u6539\u800c\u4e0d\u540c\uff08\u91cd\u70b9\u662f\u4fee\u6539\u548c\u5220\u9664\u64cd\u4f5c\u5bfc\u81f4\uff09\u3002<br>&#8211; \u5e7b\u8bfb\uff1a\u4e00\u4e2a\u4e8b\u52a1\u5185\u591a\u6b21\u67e5\u8be2\uff0c\u7ed3\u679c\u96c6\u56e0\u5176\u4ed6\u4e8b\u52a1\u65b0\u589e\u8bb0\u5f55\u800c\u4e0d\u540c\uff08\u91cd\u70b9\u662f\u65b0\u589e\u8bb0\u5f55\u5bfc\u81f4\uff09<\/strong>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-6.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"213\" data-original=\"http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-258\"  sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f\u4e8b\u52a1\uff1f 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