{"id":180144,"date":"2024-11-09T07:46:18","date_gmt":"2024-11-08T23:46:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180144\/"},"modified":"2024-11-09T07:46:20","modified_gmt":"2024-11-08T23:46:20","slug":"%e4%b8%89%e7%a8%ae%e5%b8%b8%e7%94%a8%e7%9a%84mysql%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180144\/","title":{"rendered":"\u4e09\u7a2e\u5e38\u7528\u7684MySQL\u5efa\u8868\u8a9e\u53e5"},"content":{"rendered":"<h1 id=\"%e4%b8%89%e7%a8%ae%e5%b8%b8%e7%94%a8%e7%9a%84mysql%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5-YLONUhSYZW\">\u4e09\u7a2e\u5e38\u7528\u7684MySQL\u5efa\u8868\u8a9e\u53e5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u975e\u5e38\u6d41\u884c\u7684\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u7684\u9748\u6d3b\u6027\u548c\u9ad8\u6548\u6027\u3002\u5efa\u8868\u8a9e\u53e5\u662f\u5275\u5efa\u6578\u64da\u8868\u7684\u57fa\u672c\u8a9e\u6cd5\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u9019\u4e9b\u8a9e\u53e5\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u548c\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e09\u7a2e\u5e38\u7528\u7684MySQL\u5efa\u8868\u8a9e\u53e5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u61c9\u7528\u9019\u4e9b\u8a9e\u53e5\u3002<\/p>\n<h2 id=\"1-%e5%9f%ba%e6%9c%ac%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5-YLONUhSYZW\">1. \u57fa\u672c\u5efa\u8868\u8a9e\u53e5<\/h2>\n<p>\u57fa\u672c\u7684\u5efa\u8868\u8a9e\u53e5\u7528\u65bc\u5275\u5efa\u4e00\u500b\u65b0\u7684\u6578\u64da\u8868\uff0c\u4e26\u5b9a\u7fa9\u5176\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u7528\u65bc\u5b58\u5132\u7528\u6236\u4fe1\u606f\u7684\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>users<\/code> \u7684\u8868\uff0c\u5305\u542b\u56db\u500b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>id<\/code>\uff1a\u81ea\u589e\u7684\u6574\u6578\u578b\u4e3b\u9375\u3002<\/li>\n<li><code>username<\/code>\uff1a\u7528\u6236\u540d\uff0c\u6700\u5927\u9577\u5ea6\u70ba50\u500b\u5b57\u7b26\uff0c\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><code>email<\/code>\uff1a\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff0c\u6700\u5927\u9577\u5ea6\u70ba100\u500b\u5b57\u7b26\uff0c\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><code>created_at<\/code>\uff1a\u5275\u5efa\u6642\u9593\uff0c\u9ed8\u8a8d\u70ba\u7576\u524d\u6642\u9593\u6233\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%b8%b6%e6%9c%89%e5%a4%96%e9%8d%b5%e7%9a%84%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5-YLONUhSYZW\">2. \u5e36\u6709\u5916\u9375\u7684\u5efa\u8868\u8a9e\u53e5<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u5916\u9375\u7528\u65bc\u5efa\u7acb\u8868\u4e4b\u9593\u7684\u95dc\u806f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u5305\u542b\u5916\u9375\u7684\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE orders (\n    order_id INT AUTO_INCREMENT PRIMARY KEY,\n    user_id INT,\n    product_name VARCHAR(100) NOT NULL,\n    order_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    FOREIGN KEY (user_id) REFERENCES users(id)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>orders<\/code> \u7684\u8868\uff0c\u4e26\u4e14 <code>user_id<\/code> \u5b57\u6bb5\u4f5c\u70ba\u5916\u9375\uff0c\u53c3\u8003\u4e86 <code>users<\/code> \u8868\u4e2d\u7684 <code>id<\/code> \u5b57\u6bb5\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u500b\u8a02\u55ae\u90fd\u8207\u4e00\u500b\u6709\u6548\u7684\u7528\u6236\u76f8\u95dc\u806f\u3002<\/p>\n<h2 id=\"3-%e5%b8%b6%e6%9c%89%e7%b4%a2%e5%bc%95%e7%9a%84%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5-YLONUhSYZW\">3. \u5e36\u6709\u7d22\u5f15\u7684\u5efa\u8868\u8a9e\u53e5<\/h2>\n<p>\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u5efa\u8868\u6642\u6dfb\u52a0\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE TABLE products (\n    product_id INT AUTO_INCREMENT PRIMARY KEY,\n    product_name VARCHAR(100) NOT NULL,\n    price DECIMAL(10, 2) NOT NULL,\n    INDEX idx_product_name (product_name)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>products<\/code> \u7684\u8868\uff0c\u4e26\u5728 <code>product_name<\/code> \u5b57\u6bb5\u4e0a\u5275\u5efa\u4e86\u4e00\u500b\u7d22\u5f15 <code>idx_product_name<\/code>\u3002\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u57fa\u65bc\u7522\u54c1\u540d\u7a31\u7684\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YLONUhSYZW\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u4e09\u7a2e\u5e38\u7528\u7684MySQL\u5efa\u8868\u8a9e\u53e5\uff0c\u5305\u62ec\u57fa\u672c\u5efa\u8868\u8a9e\u53e5\u3001\u5e36\u6709\u5916\u9375\u7684\u5efa\u8868\u8a9e\u53e5\u4ee5\u53ca\u5e36\u6709\u7d22\u5f15\u7684\u5efa\u8868\u8a9e\u53e5\u3002\u9019\u4e9b\u8a9e\u53e5\u662f\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u57fa\u790e\uff0c\u638c\u63e1\u5b83\u5011\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684\u670d\u52d9\uff0c\u8b93\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\u66f4\u52a0\u8f15\u9b06\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u4e09\u7a2e\u5e38\u7528\u7684MySQL\u5efa\u8868\u8a9e\u53e5\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5275\u5efa\u548c\u7ba1\u7406\u6578\u64da\u5eab\u8868\u683c\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\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-180144","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180144","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=180144"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180144\/revisions"}],"predecessor-version":[{"id":180145,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180144\/revisions\/180145"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}