{"id":182598,"date":"2024-11-09T23:47:23","date_gmt":"2024-11-09T15:47:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182598\/"},"modified":"2024-11-09T23:47:23","modified_gmt":"2024-11-09T15:47:23","slug":"%e5%af%a6%e4%be%8b-%e4%ba%86%e8%a7%a3%e5%a6%82%e4%bd%95%e6%9b%b4%e5%a5%bd%e5%9c%b0%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bd%bf%e7%94%a8%e5%af%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182598\/","title":{"rendered":"\u5be6\u4f8b | \u4e86\u89e3\u5982\u4f55\u66f4\u597d\u5730\u4f7f\u7528\u6578\u64da\u5eab\uff08\u6578\u64da\u5eab\u4f7f\u7528\u5be6\u4f8b\uff09"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e4%be%8b-%e4%ba%86%e8%a7%a3%e5%a6%82%e4%bd%95%e6%9b%b4%e5%a5%bd%e5%9c%b0%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bd%bf%e7%94%a8%e5%af%a6-XpprhjwARC\">\u5be6\u4f8b | 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id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-XpprhjwARC\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u4ee5\u96fb\u5b50\u65b9\u5f0f\u5b58\u5132\u5728\u8a08\u7b97\u6a5f\u7cfb\u7d71\u4e2d\u3002\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u662f\u7528\u4f86\u5275\u5efa\u3001\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u8edf\u4ef6\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u985e\u578b\u5305\u62ec\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MySQL\u3001PostgreSQL\uff09\u548c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MongoDB\u3001Cassandra\uff09\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%bd%bf%e7%94%a8%e5%af%a6%e4%be%8b-XpprhjwARC\">\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5be6\u4f8b<\/h2>\n<h3 id=\"1-%e9%9b%bb%e5%ad%90%e5%95%86%e5%8b%99%e5%b9%b3%e5%8f%b0-XpprhjwARC\">1. \u96fb\u5b50\u5546\u52d9\u5e73\u53f0<\/h3>\n<p>\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u6578\u64da\u5eab\u7528\u65bc\u5b58\u5132\u7528\u6236\u4fe1\u606f\u3001\u7522\u54c1\u4fe1\u606f\u3001\u8a02\u55ae\u8a18\u9304\u7b49\u3002\u4ee5 MySQL \u70ba\u4f8b\uff0c\u4ee5\u4e0b\u662f\u5982\u4f55\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u7522\u54c1\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE products (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL,\n    price DECIMAL(10, 2) NOT NULL,\n    stock INT NOT NULL\n);<\/code><\/pre>\n<p>\u901a\u904e\u9019\u500b\u8868\uff0c\u5546\u5bb6\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u7522\u54c1\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u4e26\u9032\u884c\u5eab\u5b58\u7ba1\u7406\u3002<\/p>\n<h3 id=\"2-%e7%a4%be%e4%ba%a4%e5%aa%92%e9%ab%94%e6%87%89%e7%94%a8-XpprhjwARC\">2. \u793e\u4ea4\u5a92\u9ad4\u61c9\u7528<\/h3>\n<p>\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u9700\u8981\u8655\u7406\u5927\u91cf\u7528\u6236\u751f\u6210\u7684\u5167\u5bb9\u3002\u4ee5 MongoDB \u70ba\u4f8b\uff0c\u793e\u4ea4\u5a92\u9ad4\u61c9\u7528\u53ef\u4ee5\u4f7f\u7528\u6587\u6a94\u6578\u64da\u5eab\u4f86\u5b58\u5132\u7528\u6236\u5e16\u5b50\u548c\u8a55\u8ad6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6587\u6a94\u7d50\u69cb\uff1a<\/p>\n<pre><code>{\n    \"user_id\": \"12345\",\n    \"post\": \"\u9019\u662f\u4e00\u689d\u793e\u4ea4\u5a92\u9ad4\u5e16\u5b50\",\n    \"comments\": [\n        {\n            \"user_id\": \"67890\",\n            \"comment\": \"\u9019\u662f\u4e00\u689d\u8a55\u8ad6\"\n        }\n    ],\n    \"created_at\": \"2023-10-01T12:00:00Z\"\n}<\/code><\/pre>\n<p>\u9019\u7a2e\u7d50\u69cb\u4f7f\u5f97\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\uff0c\u9069\u5408\u5feb\u901f\u8b8a\u5316\u7684\u793e\u4ea4\u5a92\u9ad4\u74b0\u5883\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-XpprhjwARC\">3. \u6578\u64da\u5206\u6790<\/h3>\n<p>\u6578\u64da\u5eab\u5728\u6578\u64da\u5206\u6790\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\u3002\u4f01\u696d\u53ef\u4ee5\u4f7f\u7528\u6578\u64da\u5eab\u4f86\u5b58\u5132\u6b77\u53f2\u6578\u64da\uff0c\u4e26\u901a\u904e SQL \u67e5\u8a62\u9032\u884c\u5206\u6790\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u53ef\u4ee5\u7528\u4f86\u8a08\u7b97\u6bcf\u500b\u7522\u54c1\u7684\u92b7\u552e\u7e3d\u984d\uff1a<\/p>\n<pre><code>SELECT product_id, SUM(amount) AS total_sales\nFROM sales\nGROUP BY product_id;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u4e86\u89e3\u54ea\u4e9b\u7522\u54c1\u8868\u73fe\u826f\u597d\uff0c\u5f9e\u800c\u5236\u5b9a\u66f4\u6709\u6548\u7684\u71df\u92b7\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-XpprhjwARC\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u66f4\u597d\u5730\u4f7f\u7528\u6578\u64da\u5eab\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u6b63\u898f\u5316\u6578\u64da\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u5eab\u8a2d\u8a08\u9075\u5faa\u6b63\u898f\u5316\u539f\u5247\uff0c\u4ee5\u6e1b\u5c11\u6578\u64da\u5197\u9918\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5099\u4efd\uff1a<\/strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u67e5\u8a62\u5275\u5efa\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528\u76e3\u63a7\u5de5\u5177\u4f86\u8ddf\u8e2a\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XpprhjwARC\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u5728\u73fe\u4ee3\u5546\u696d\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u7121\u8ad6\u662f\u96fb\u5b50\u5546\u52d9\u3001\u793e\u4ea4\u5a92\u9ad4\u9084\u662f\u6578\u64da\u5206\u6790\uff0c\u6b63\u78ba\u7684\u4f7f\u7528\u6578\u64da\u5eab\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u696d\u52d9\u6548\u7387\u3002\u901a\u904e\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\uff0c\u5f9e\u800c\u5728\u7af6\u722d\u4e2d\u812b\u7a4e\u800c\u51fa\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u4f7f\u7528\u5be6\u4f8b\uff0c\u5b78\u7fd2\u5982\u4f55\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\uff0c\u63d0\u5347\u696d\u52d9\u6c7a\u7b56\u548c\u64cd\u4f5c\u6548\u7387\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-182598","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182598","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=182598"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182598\/revisions"}],"predecessor-version":[{"id":182599,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182598\/revisions\/182599"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}