{"id":173751,"date":"2024-11-07T20:08:17","date_gmt":"2024-11-07T12:08:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173751\/"},"modified":"2024-11-07T20:08:18","modified_gmt":"2024-11-07T12:08:18","slug":"%e5%a6%82%e4%bd%95%e9%99%8d%e4%bd%8e%e9%9b%b2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%bb%b6%e9%81%b2%ef%bc%9f-%e9%9b%b2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%b6%e9%81%b2%e5%a4%aa%e9%ab%98%e6%80%8e%e9%ba%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173751\/","title":{"rendered":"\u5982\u4f55\u964d\u4f4e\u96f2\u6578\u64da\u5eab\u7684\u5ef6\u9072\uff1f (\u96f2\u6578\u64da\u5eab\u5ef6\u9072\u592a\u9ad8\u600e\u9ebc\u8fa6)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e9%99%8d%e4%bd%8e%e9%9b%b2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%bb%b6%e9%81%b2%ef%bc%9f-%e9%9b%b2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%b6%e9%81%b2%e5%a4%aa%e9%ab%98%e6%80%8e%e9%ba%bc-KmyUgcYxTv\">\u5982\u4f55\u964d\u4f4e\u96f2\u6578\u64da\u5eab\u7684\u5ef6\u9072\uff1f (\u96f2\u6578\u64da\u5eab\u5ef6\u9072\u592a\u9ad8\u600e\u9ebc\u8fa6)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u96f2\u6578\u64da\u5eab\u5df2\u6210\u70ba\u4f01\u696d\u548c\u958b\u767c\u8005\u7684\u91cd\u8981\u5de5\u5177\u3002\u7136\u800c\uff0c\u96f2\u6578\u64da\u5eab\u7684\u5ef6\u9072\u554f\u984c\u5e38\u5e38\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u964d\u4f4e\u96f2\u6578\u64da\u5eab\u5ef6\u9072\u7684\u5e7e\u7a2e\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"1-%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e9%9b%b2%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8f%90%e4%be%9b%e5%95%86-KmyUgcYxTv\">1. \u9078\u64c7\u5408\u9069\u7684\u96f2\u6578\u64da\u5eab\u63d0\u4f9b\u5546<\/h2>\n<p>\u4e0d\u540c\u7684\u96f2\u6578\u64da\u5eab\u63d0\u4f9b\u5546\u5728\u6027\u80fd\u3001\u5ef6\u9072\u548c\u53ef\u7528\u6027\u65b9\u9762\u5b58\u5728\u5dee\u7570\u3002\u5728\u9078\u64c7\u96f2\u6578\u64da\u5eab\u6642\uff0c\u61c9\u8003\u616e\u4ee5\u4e0b\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e2d\u5fc3\u4f4d\u7f6e\uff1a<\/strong>\u9078\u64c7\u9760\u8fd1\u7528\u6236\u7684\u6578\u64da\u4e2d\u5fc3\u53ef\u4ee5\u986f\u8457\u964d\u4f4e\u5ef6\u9072\u3002<\/li>\n<li><strong>\u7db2\u7d61\u57fa\u790e\u8a2d\u65bd\uff1a<\/strong>\u63d0\u4f9b\u5546\u7684\u7db2\u7d61\u67b6\u69cb\u548c\u5e36\u5bec\u6703\u5f71\u97ff\u6578\u64da\u50b3\u8f38\u901f\u5ea6\u3002<\/li>\n<li><strong>\u670d\u52d9\u5668\u6027\u80fd\uff1a<\/strong>\u9ad8\u6027\u80fd\u7684\u670d\u52d9\u5668\u80fd\u5920\u66f4\u5feb\u5730\u8655\u7406\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2-KmyUgcYxTv\">2. \u512a\u5316\u6578\u64da\u5eab\u67e5\u8a62<\/h2>\n<p>\u4e0d\u7576\u7684\u67e5\u8a62\u8a2d\u8a08\u6703\u5c0e\u81f4\u5ef6\u9072\u589e\u52a0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u5efa\u7acb\u7d22\u5f15\uff0c\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/strong>\u53ea\u9078\u64c7\u9700\u8981\u7684\u5b57\u6bb5\uff0c\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<li><strong>\u4f7f\u7528JOIN\u800c\u975e\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cJOIN\u64cd\u4f5c\u6bd4\u5b50\u67e5\u8a62\u66f4\u9ad8\u6548\u3002<\/li>\n<\/ul>\n<pre><code>SELECT name, age FROM users WHERE age &gt; 18;<\/code><\/pre>\n<h2 id=\"3-%e5%af%a6%e6%96%bd%e7%b7%a9%e5%ad%98%e7%ad%96%e7%95%a5-KmyUgcYxTv\">3. \u5be6\u65bd\u7de9\u5b58\u7b56\u7565<\/h2>\n<p>\u7de9\u5b58\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8acb\u6c42\u6b21\u6578\uff0c\u5f9e\u800c\u964d\u4f4e\u5ef6\u9072\u3002\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u7de9\u5b58\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u61c9\u7528\u5c64\u7de9\u5b58\uff1a<\/strong>\u4f7f\u7528Redis\u6216Memcached\u7b49\u7de9\u5b58\u7cfb\u7d71\uff0c\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\u3002<\/li>\n<li><strong>\u67e5\u8a62\u7de9\u5b58\uff1a<\/strong>\u67d0\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u67e5\u8a62\u7de9\u5b58\u529f\u80fd\uff0c\u53ef\u4ee5\u81ea\u52d5\u7de9\u5b58\u67e5\u8a62\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-KmyUgcYxTv\">4. \u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e<\/h2>\n<p>\u6839\u64da\u61c9\u7528\u9700\u6c42\u8abf\u6574\u6578\u64da\u5eab\u7684\u914d\u7f6e\u53c3\u6578\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u6c60\uff1a<\/strong>\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\uff0c\u6e1b\u5c11\u5efa\u7acb\u548c\u95dc\u9589\u9023\u63a5\u7684\u958b\u92b7\u3002<\/li>\n<li><strong>\u7de9\u885d\u5340\u5927\u5c0f\uff1a<\/strong>\u6839\u64da\u6578\u64da\u91cf\u8abf\u6574\u7de9\u885d\u5340\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8\u6578\u64da\u8b80\u53d6\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e6%80%a7%e8%83%bd-KmyUgcYxTv\">5. \u76e3\u63a7\u548c\u5206\u6790\u6027\u80fd<\/h2>\n<p>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u554f\u984c\u662f\u964d\u4f4e\u5ef6\u9072\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\u9032\u884c\u76e3\u63a7\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff1a<\/strong>\u5982Prometheus\u3001Grafana\u7b49\uff0c\u80fd\u5920\u5be6\u6642\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\u6307\u6a19\u3002<\/li>\n<li><strong>\u67e5\u8a62\u5206\u6790\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u7b49\u5de5\u5177\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KmyUgcYxTv\">\u7e3d\u7d50<\/h2>\n<p>\u964d\u4f4e\u96f2\u6578\u64da\u5eab\u7684\u5ef6\u9072\u9700\u8981\u7d9c\u5408\u8003\u616e\u591a\u65b9\u9762\u7684\u56e0\u7d20\uff0c\u5305\u62ec\u9078\u64c7\u5408\u9069\u7684\u96f2\u6578\u64da\u5eab\u63d0\u4f9b\u5546\u3001\u512a\u5316\u67e5\u8a62\u3001\u5be6\u65bd\u7de9\u5b58\u7b56\u7565\u3001\u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7\u6027\u80fd\u3002\u900f\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u7b56\u7565\u4ee5\u964d\u4f4e\u96f2\u6578\u64da\u5eab\u5ef6\u9072\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u78ba\u4fdd\u5feb\u901f\u97ff\u61c9\u548c\u6d41\u66a2\u7528\u6236\u9ad4\u9a57\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-173751","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173751","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=173751"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173751\/revisions"}],"predecessor-version":[{"id":173752,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173751\/revisions\/173752"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}