{"id":186256,"date":"2024-11-11T04:24:45","date_gmt":"2024-11-10T20:24:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186256\/"},"modified":"2024-11-11T04:24:46","modified_gmt":"2024-11-10T20:24:46","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e9%80%9f%e5%ba%a6%e5%a5%87%e6%85%a2%e7%84%a1%e6%af%94%ef%bc%81-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e7%aa%81%e7%84%b6%e9%96%93%e5%be%88%e6%85%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186256\/","title":{"rendered":"\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\u5947\u6162\u7121\u6bd4\uff01 (\u6578\u64da\u5eab\u67e5\u8a62\u7a81\u7136\u9593\u5f88\u6162)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e9%80%9f%e5%ba%a6%e5%a5%87%e6%85%a2%e7%84%a1%e6%af%94%ef%bc%81-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e7%aa%81%e7%84%b6%e9%96%93%e5%be%88%e6%85%a2-LaKcpBeZKo\">\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\u5947\u6162\u7121\u6bd4\uff01 (\u6578\u64da\u5eab\u67e5\u8a62\u7a81\u7136\u9593\u5f88\u6162)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002\u7576\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\u7a81\u7136\u8b8a\u5f97\u7de9\u6162\u6642\uff0c\u9019\u4e0d\u50c5\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u696d\u52d9\u640d\u5931\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e9%80%9f%e5%ba%a6%e8%ae%8a%e6%85%a2%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-LaKcpBeZKo\">\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e4%b8%8d%e7%95%b6-LaKcpBeZKo\">1. \u6578\u64da\u5eab\u8a2d\u8a08\u4e0d\u7576<\/h3>\n<p>\u6578\u64da\u5eab\u7684\u7d50\u69cb\u8a2d\u8a08\u5c0d\u67e5\u8a62\u6027\u80fd\u6709\u8457\u76f4\u63a5\u5f71\u97ff\u3002\u5982\u679c\u6578\u64da\u5eab\u8868\u7684\u8a2d\u8a08\u4e0d\u5408\u7406\uff0c\u4f8b\u5982\u7f3a\u4e4f\u9069\u7576\u7684\u7d22\u5f15\uff0c\u5c07\u5c0e\u81f4\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\u3002\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u67e5\u8a62\u904e\u7a0b\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/p>\n<pre><code>CREATE INDEX idx_column_name ON table_name (column_name);<\/code><\/pre>\n<h3 id=\"2-%e7%a1%ac%e9%ab%94%e8%b3%87%e6%ba%90%e4%b8%8d%e8%b6%b3-LaKcpBeZKo\">2. \u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3<\/h3>\n<p>\u6578\u64da\u5eab\u7684\u6027\u80fd\u4e5f\u53d7\u5230\u786c\u9ad4\u8cc7\u6e90\u7684\u5f71\u97ff\u3002\u5982\u679c\u4f3a\u670d\u5668\u7684CPU\u3001\u5167\u5b58\u6216\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\uff0c\u5c07\u7121\u6cd5\u6709\u6548\u8655\u7406\u67e5\u8a62\u8acb\u6c42\u3002\u5b9a\u671f\u76e3\u63a7\u4f3a\u670d\u5668\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\u662f\u5fc5\u8981\u7684\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%e4%b8%8d%e5%84%aa%e5%8c%96-LaKcpBeZKo\">3. \u67e5\u8a62\u8a9e\u53e5\u4e0d\u512a\u5316<\/h3>\n<p>\u4e0d\u7576\u7684\u67e5\u8a62\u8a9e\u53e5\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u4f8b\u5982\uff0c\u4f7f\u7528SELECT *\u800c\u4e0d\u662f\u6307\u5b9a\u6240\u9700\u7684\u5217\uff0c\u6703\u589e\u52a0\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\u91cf\u3002\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre><code>SELECT column1, column2 FROM table_name WHERE condition;<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e9%87%8f%e6%bf%80%e5%a2%9e-LaKcpBeZKo\">4. \u6578\u64da\u91cf\u6fc0\u589e<\/h3>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u91cf\u53ef\u80fd\u6703\u6fc0\u589e\uff0c\u9019\u6703\u5f71\u97ff\u67e5\u8a62\u901f\u5ea6\u3002\u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u6216\u8003\u616e\u5206\u5340\u8868\u53ef\u4ee5\u5e6b\u52a9\u6539\u5584\u6027\u80fd\u3002<\/p>\n<h3 id=\"5-%e9%8e%96%e5%ae%9a%e5%92%8c%e7%ab%b6%e7%88%ad%e6%a2%9d%e4%bb%b6-LaKcpBeZKo\">5. \u9396\u5b9a\u548c\u7af6\u722d\u689d\u4ef6<\/h3>\n<p>\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u9396\u5b9a\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u5ef6\u9072\u3002\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\u540c\u4e00\u6578\u64da\u6642\uff0c\u9396\u5b9a\u6703\u5c0e\u81f4\u67e5\u8a62\u7b49\u5f85\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002\u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u7b56\u7565\u548c\u4e8b\u52d9\u7ba1\u7406\u53ef\u4ee5\u6e1b\u5c11\u9019\u7a2e\u60c5\u6cc1\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e9%80%9f%e5%ba%a6%e6%85%a2%e7%9a%84%e5%95%8f%e9%a1%8c-LaKcpBeZKo\">\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\u6162\u7684\u554f\u984c<\/h2>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-LaKcpBeZKo\">1. \u512a\u5316\u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u8a2d\u8a08\u5408\u7406\uff0c\u4e26\u70ba\u5e38\u7528\u67e5\u8a62\u6dfb\u52a0\u7d22\u5f15\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u8abf\u6574\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u4ee5\u9069\u61c9\u4e0d\u65b7\u8b8a\u5316\u7684\u9700\u6c42\u3002<\/p>\n<h3 id=\"2-%e5%8d%87%e7%b4%9a%e7%a1%ac%e9%ab%94%e8%b3%87%e6%ba%90-LaKcpBeZKo\">2. \u5347\u7d1a\u786c\u9ad4\u8cc7\u6e90<\/h3>\n<p>\u5982\u679c\u4f3a\u670d\u5668\u8cc7\u6e90\u4e0d\u8db3\uff0c\u8003\u616e\u5347\u7d1a\u786c\u9ad4\u6216\u4f7f\u7528\u66f4\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u914d\u7f6e\u3002\u96f2\u4f3a\u670d\u5668\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u8cc7\u6e90\u64f4\u5c55\u9078\u9805\uff0c\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-LaKcpBeZKo\">3. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\uff0c\u907f\u514d\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684SELECT *\uff0c\u4e26\u78ba\u4fdd\u4f7f\u7528\u5408\u9069\u7684JOIN\u548cWHERE\u689d\u4ef6\u3002<\/p>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86%e5%92%8c%e5%88%86%e5%8d%80-LaKcpBeZKo\">4. \u6578\u64da\u6e05\u7406\u548c\u5206\u5340<\/h3>\n<p>\u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff0c\u4e26\u8003\u616e\u5c07\u5927\u578b\u8868\u9032\u884c\u5206\u5340\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h3 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e9%8e%96%e5%ae%9a%e7%ad%96%e7%95%a5-LaKcpBeZKo\">5. \u76e3\u63a7\u548c\u8abf\u6574\u9396\u5b9a\u7b56\u7565<\/h3>\n<p>\u4f7f\u7528\u6578\u64da\u5eab\u76e3\u63a7\u5de5\u5177\u4f86\u6aa2\u67e5\u9396\u5b9a\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u9700\u8981\u8abf\u6574\u9396\u5b9a\u7b56\u7565\uff0c\u4ee5\u6e1b\u5c11\u7af6\u722d\u689d\u4ef6\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LaKcpBeZKo\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\u7684\u7a81\u7136\u8b8a\u6162\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff0c\u5305\u62ec\u8a2d\u8a08\u4e0d\u7576\u3001\u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3\u3001\u67e5\u8a62\u8a9e\u53e5\u4e0d\u512a\u5316\u7b49\u3002\u901a\u904e\u512a\u5316\u6578\u64da\u5eab\u8a2d\u8a08\u3001\u5347\u7d1a\u786c\u9ad4\u8cc7\u6e90\u3001\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u3001\u5b9a\u671f\u6e05\u7406\u6578\u64da\u4ee5\u53ca\u76e3\u63a7\u9396\u5b9a\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u6539\u5584\u67e5\u8a62\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\u9a5f\u964d\uff0c\u5f71\u97ff\u7cfb\u7d71\u6548\u80fd\u8207\u7528\u6236\u9ad4\u9a57\u3002\u4e86\u89e3\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\uff0c\u6062\u5fa9\u6b63\u5e38\u904b\u4f5c\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-186256","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186256","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=186256"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186256\/revisions"}],"predecessor-version":[{"id":186257,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186256\/revisions\/186257"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}