{"id":323,"date":"2026-04-28T10:43:21","date_gmt":"2026-04-28T02:43:21","guid":{"rendered":"https:\/\/blog.higgus17.cloud\/?p=323"},"modified":"2026-04-28T16:03:33","modified_gmt":"2026-04-28T08:03:33","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e5%ad%a6%e4%b9%a0%e7%9a%84%e9%bb%84%e5%9f%94%e5%86%9b%e6%a0%a1-mysql","status":"publish","type":"post","link":"https:\/\/blog.higgus17.cloud\/?p=323","title":{"rendered":"\u6570\u636e\u5e93\u9ec4\u57d4\u519b\u6821 MySQL"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b66\u4e60\u4e00\u4e2a\u7ecf\u5178\u7684\u8bbe\u8ba1\uff0c\u6709\u5229\u4e8e\u6211\u4eec\u5728\u672a\u6765\u6709\u4e00\u4e2a\u66f4\u52a0\u6e05\u6670\u7684\u8ba4\u8bc6\u3002\u8fd9\u662f\u6211\u4eec\u8fc8\u51fa\u5411\u4e00\u4e2a\u5168\u65b0\u89c6\u754c\u548c\u5168\u65b0\u8bbe\u8ba1\u7684\u7b2c\u4e00\u6b65\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u4e00\u4e2a\u5b8c\u6574\u3001\u81ea\u6d3d\u3001\u4f18\u96c5\u7684\u6570\u636e\u5e93\u8f6f\u4ef6\u2014\u2014 MySQL\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51e0\u4e2a\u535a\u4e3b\u7684\u6587\u7ae0\u6bd4\u8f83\u597d\u5730\u4ecb\u7ecd\u4e86\u8fd9\u4e2a\u5165\u95e8<a href=\"https:\/\/www.cnblogs.com\/novwind\/p\/17489997.html\">https:\/\/www.cnblogs.com\/novwind\/p\/17489997.html<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.cnblogs.com\/better-farther-world2099\/articles\/14768929.html\">https:\/\/www.cnblogs.com\/better-farther-world2099\/articles\/14768929.html<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MySQL \u7684\u67b6\u6784<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u56fe\u662f MySQL 5.7 \u7684\u903b\u8f91\u67b6\u6784\u3002\u5728 MySQL 8.0 \u4e4b\u540e\uff0c\u79fb\u9664\u4e86\u7f13\u5b58\u6a21\u5757\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='https:\/\/blog.higgus17.cloud\/wp-content\/uploads\/2026\/04\/image-3-1024x828.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"828\" data-original=\"https:\/\/blog.higgus17.cloud\/wp-content\/uploads\/2026\/04\/image-3-1024x828.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-325\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fde\u63a5\u6c60\uff1a\u4e0e\u5ba2\u6237\u7aef\u4ea4\u4e92\u7684\u95e8\u6237<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4efb\u4f55\u4e00\u4e2a\u8f6f\u4ef6\uff0c\u5728\u8bbe\u8ba1\u7406\u5ff5\u4e0a\uff0c\u90fd\u6709\u81ea\u5df1\u6838\u5fc3\u8d1f\u8d23\u7684\u5185\u5bb9\uff0c\u662f\u5411\u5185\u4f5c\u5185\u805a\u7684\u2014\u2014\u4e5f\u5c31\u662f\u9ad8\u5185\u805a\u3001\u4f4e\u8026\u5408\u3002\u5927\u591a\u6570\u6211\u4eec\u80fd\u63a5\u89e6\u5230\u7684\u77e5\u540d\u8f6f\u4ef6\u90fd\u662f\u53ef\u4ee5\u7528\u8fd9\u4e2a\u601d\u8def\u53bb\u5b66\u4e60\u548c\u7406\u89e3\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u5916\u90e8\u4f7f\u7528\u548c\u64cd\u4f5c\u8fd9\u4e9b\u8f6f\u4ef6\uff0c\u5219\u9700\u8981\u8fd9\u4e9b\u8f6f\u4ef6\u63d0\u4f9b\u4e13\u95e8\u7684\u901a\u4fe1\u8bbe\u8ba1\u6a21\u5757\uff0c\u5728 MySQL \u91cc\u9762\uff0c\u4e5f\u5c31\u662f\u8fde\u63a5\u6a21\u5757\uff0c\u5177\u4f53\u6765\u8bf4\uff0c\u5c31\u662f\u8fde\u63a5\u6c60\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fde\u63a5\u6c60\u662f\u4e3a\u4e86\u907f\u514d\u7ebf\u7a0b\u9891\u7e41\u6302\u8d77\u548c\u5524\u9192\u3001\u9891\u7e41\u5efa\u7acb\u8fde\u63a5\u800c\u4ea7\u751f\u7684\u4e00\u79cd\u8bbe\u8ba1\u3002\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff1a\u6240\u6709\u901a\u4fe1\u6280\u672f\u51e0\u4e4e\u90fd\u6709\u8fd9\u4e48\u4e00\u4e2a\u53d1\u5c55\u9636\u6bb5\uff0c\u4ece\u65e0\u5230\u6709\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u5f00\u59cb\u662f\u9762\u5411<strong>\u5b8c\u6210\u901a\u8baf<\/strong>\u7684\u76ee\u7684\u8fdb\u884c\u53d1\u5c55\u7684\uff0c\u800c\u540e\u4f1a\u6162\u6162\u4f18\u5316\u8003\u8651\u5230\u6548\u7387\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u4ee5 HTTP \u534f\u8bae\u53d1\u5c55\u5386\u53f2\u4e3a\u4f8b<\/summary>\n<p class=\"wp-block-paragraph\">\u5982 HTTP\/1.1\uff08\u4e00\u6b21\u6301\u4e45 TCP \u8fde\u63a5\uff0c\u5355\u6b21\u8bf7\u6c42\u5355\u6b21\u54cd\u5e94\uff0c\u4e22\u5305\u53ef\u80fd\u9020\u6210\u961f\u5934\u963b\u585e\uff09\uff0c HTTP\/2.0(\u4e3a\u4e86\u63d0\u9ad8\u7a33\u5b9a\u6027\u548c\u4f20\u8f93\u6548\u7387\u6539\u4e3a\u591a\u8def\u590d\u7528\uff0c\u6570\u636e\u7ed3\u6784\u4e0a\u62a5\u6587\u6539\u4e3a\u5e27\u53d1\u9001\uff0c\u5f15\u5165\u6d41\u6807\u8bc6\u7b26\u7ef4\u62a4\u987a\u5e8f\uff0c\u4f46\u5728\u4f20\u8f93\u5c42\u4e0a\u6709\u5f71\u54cd\uff0c\u5e27\u4e22\u5931\u4f1a\u5bfc\u81f4 TCP \u961f\u5934\u963b\u585e)\uff0c HTTP\/3 \u3002<\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u51e0\u4e2a\u6838\u5fc3\u53c2\u6570\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u5927\u8fde\u63a5\u6570 max_connection<\/li>\n\n\n\n<li>\u5355\u6b21\u6700\u5927\u62a5\u6587 max_allowed_packet<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SQL \u63a5\u53e3\u548c SQL \u89e3\u6790\u5668<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u8fde\u63a5\u6c60\u5efa\u7acb\u8fde\u63a5\u540e\uff0cSQL \u8bed\u53e5\u53ef\u4ee5\u901a\u8fc7\u8fde\u63a5\u8fdb\u884c\u53d1\u9001\u4f20\u8f93\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SQL \u89e3\u6790\u5668\u8ba9\u6211\u60f3\u5230 MyBatis \u7684\u6839\u636e Java \u5bf9\u8c61\u8bed\u53e5\u5177\u5907\u7684 SQL \u751f\u6210\u6280\u672f\u3002\u8fd9\u4e9b\u8bed\u6cd5\u89e3\u6790\u5668\uff0c\u4e00\u6b65\u6b65\u9690\u85cf\u4e86\u66f4\u6df1\u7684\u62bd\u8c61\uff0c\u800c\u5c06\u8868\u8ff0\u4ee5\u6280\u672f\u4eba\u5458\u66f4\u52a0\u719f\u6089\u7684\u65b9\u5f0f\u8868\u8fbe\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='https:\/\/blog.higgus17.cloud\/wp-content\/uploads\/2026\/04\/image-4-1024x321.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"321\" data-original=\"https:\/\/blog.higgus17.cloud\/wp-content\/uploads\/2026\/04\/image-4-1024x321.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-337\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">InnoDB \u5b58\u50a8\u5f15\u64ce<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b58\u50a8\u5f15\u64ce\u8d1f\u8d23\u6267\u884c SQL \u8bed\u53e5\u89e3\u6790\u53ca\u4f18\u5316\u540e\u7684\u6267\u884c\u65b9\u6848\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u5b58\u5165\u548c\u8bfb\u53d6\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='https:\/\/blog.higgus17.cloud\/wp-content\/uploads\/2026\/04\/image-5-1024x292.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"292\" data-original=\"https:\/\/blog.higgus17.cloud\/wp-content\/uploads\/2026\/04\/image-5-1024x292.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-339\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">InnoDB \u5177\u6709\u5f88\u9ad8\u7684\u53ef\u9760\u6027\u4e0e\u6bd4\u8f83\u68d2\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e8b\u52a1\u63a7\u5236<\/li>\n\n\n\n<li>\u8bfb\u5199\u6548\u7387<\/li>\n\n\n\n<li>\u591a\u7528\u6237\u5e76\u53d1<\/li>\n\n\n\n<li>\u7d22\u5f15\u641c\u7d22<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u4e00\u4e2a\u7ecf\u5178\u7684\u8bbe\u8ba1\uff0c\u6709\u5229\u4e8e\u6211\u4eec\u5728\u672a\u6765\u6709\u4e00\u4e2a\u66f4\u52a0\u6e05\u6670\u7684\u8ba4\u8bc6\u3002\u8fd9\u662f\u6211\u4eec\u8fc8\u51fa\u5411\u4e00\u4e2a\u5168\u65b0\u89c6\u754c\u548c\u5168\u65b0\u8bbe\u8ba1\u7684\u7b2c\u4e00\u6b65\uff0c\u6211\u4eec\u5c06 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-323","post","type-post","status-publish","format-standard","hentry","category-tech"],"_links":{"self":[{"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/posts\/323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=323"}],"version-history":[{"count":16,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions"}],"predecessor-version":[{"id":347,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions\/347"}],"wp:attachment":[{"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}