{"id":76034,"date":"2024-10-16T03:18:16","date_gmt":"2024-10-15T19:18:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76034\/"},"modified":"2024-10-16T03:18:16","modified_gmt":"2024-10-15T19:18:16","slug":"mysql-%e5%bb%ba%e8%a1%a8%e5%af%a6%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76034\/","title":{"rendered":"MySQL \u5efa\u8868\u5be6\u4f8b"},"content":{"rendered":"<h1 id=\"mysql-%e5%bb%ba%e8%a1%a8%e5%af%a6%e4%be%8b-VXzMIzAvja\">MySQL \u5efa\u8868\u5be6\u4f8b<\/h1>\n<p>MySQL \u662f\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5efa\u8868\u662f\u4f7f\u7528 MySQL \u7684\u57fa\u672c\u64cd\u4f5c\u4e4b\u4e00\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 MySQL \u4e2d\u5275\u5efa\u8868\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u969b\u7684\u5efa\u8868\u5be6\u4f8b\u3002<\/p>\n<h2 id=\"mysql-%e5%bb%ba%e8%a1%a8%e8%aa%9e%e6%b3%95-VXzMIzAvja\">MySQL \u5efa\u8868\u8a9e\u6cd5<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0c\u5275\u5efa\u8868\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE \u8868\u540d (\n    \u5217\u540d1 \u6578\u64da\u985e\u578b [\u7d04\u675f\u689d\u4ef6],\n    \u5217\u540d2 \u6578\u64da\u985e\u578b [\u7d04\u675f\u689d\u4ef6],\n    ...\n);<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<strong>\u8868\u540d<\/strong> \u662f\u4f60\u8981\u5275\u5efa\u7684\u8868\u7684\u540d\u7a31\uff0c<strong>\u5217\u540d<\/strong> \u662f\u8868\u4e2d\u7684\u5b57\u6bb5\u540d\u7a31\uff0c<strong>\u6578\u64da\u985e\u578b<\/strong> \u5b9a\u7fa9\u4e86\u8a72\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\uff0c\u800c <strong>\u7d04\u675f\u689d\u4ef6<\/strong> \u5247\u7528\u65bc\u9650\u5236\u8a72\u5b57\u6bb5\u7684\u6578\u64da\u8f38\u5165\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-VXzMIzAvja\">\u5e38\u898b\u6578\u64da\u985e\u578b<\/h2>\n<p>\u5728\u5275\u5efa\u8868\u6642\uff0c\u5e38\u7528\u7684\u6578\u64da\u985e\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>INT<\/strong>\uff1a\u6574\u6578\u985e\u578b<\/li>\n<li><strong>VARCHAR(n)<\/strong>\uff1a\u53ef\u8b8a\u9577\u5ea6\u5b57\u7b26\u4e32\uff0cn \u70ba\u6700\u5927\u9577\u5ea6<\/li>\n<li><strong>TEXT<\/strong>\uff1a\u9577\u6587\u672c\u985e\u578b<\/li>\n<li><strong>DATE<\/strong>\uff1a\u65e5\u671f\u985e\u578b<\/li>\n<li><strong>DATETIME<\/strong>\uff1a\u65e5\u671f\u548c\u6642\u9593\u985e\u578b<\/li>\n<li><strong>FLOAT<\/strong>\uff1a\u6d6e\u9ede\u6578\u985e\u578b<\/li>\n<\/ul>\n<h2 id=\"%e5%bb%ba%e8%a1%a8%e5%af%a6%e4%be%8b-VXzMIzAvja\">\u5efa\u8868\u5be6\u4f8b<\/h2>\n<h3 id=\"%e5%af%a6%e4%be%8b-1%ef%bc%9a%e5%89%b5%e5%bb%ba%e7%94%a8%e6%88%b6%e8%a1%a8-VXzMIzAvja\">\u5be6\u4f8b 1\uff1a\u5275\u5efa\u7528\u6236\u8868<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u7528\u6236\u8868\u7684\u5be6\u4f8b\uff0c\u8a72\u8868\u5305\u542b\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    password VARCHAR(255) NOT NULL,\n    email VARCHAR(100) NOT NULL,\n    created_at DATETIME DEFAULT CURRENT_TIMESTAMP\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>id<\/strong>\uff1a\u7528\u6236\u7684\u552f\u4e00\u6a19\u8b58\uff0c\u81ea\u52d5\u589e\u9577\u3002<\/li>\n<li><strong>username<\/strong>\uff1a\u7528\u6236\u540d\uff0c\u6700\u5927\u9577\u5ea6\u70ba 50\uff0c\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><strong>password<\/strong>\uff1a\u7528\u6236\u5bc6\u78bc\uff0c\u6700\u5927\u9577\u5ea6\u70ba 255\uff0c\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><strong>email<\/strong>\uff1a\u7528\u6236\u96fb\u5b50\u90f5\u4ef6\uff0c\u6700\u5927\u9577\u5ea6\u70ba 100\uff0c\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><strong>created_at<\/strong>\uff1a\u7528\u6236\u5275\u5efa\u6642\u9593\uff0c\u9ed8\u8a8d\u70ba\u7576\u524d\u6642\u9593\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%af%a6%e4%be%8b-2%ef%bc%9a%e5%89%b5%e5%bb%ba%e7%94%a2%e5%93%81%e8%a1%a8-VXzMIzAvja\">\u5be6\u4f8b 2\uff1a\u5275\u5efa\u7522\u54c1\u8868<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5275\u5efa\u4e00\u500b\u7522\u54c1\u8868\uff0c\u8a72\u8868\u7528\u65bc\u5b58\u5132\u7522\u54c1\u4fe1\u606f\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 FLOAT NOT NULL,\n    stock INT DEFAULT 0,\n    created_at DATETIME DEFAULT CURRENT_TIMESTAMP\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>product_id<\/strong>\uff1a\u7522\u54c1\u7684\u552f\u4e00\u6a19\u8b58\uff0c\u81ea\u52d5\u589e\u9577\u3002<\/li>\n<li><strong>product_name<\/strong>\uff1a\u7522\u54c1\u540d\u7a31\uff0c\u6700\u5927\u9577\u5ea6\u70ba 100\uff0c\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><strong>price<\/strong>\uff1a\u7522\u54c1\u50f9\u683c\uff0c\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><strong>stock<\/strong>\uff1a\u5eab\u5b58\u6578\u91cf\uff0c\u9ed8\u8a8d\u70ba 0\u3002<\/li>\n<li><strong>created_at<\/strong>\uff1a\u7522\u54c1\u5275\u5efa\u6642\u9593\uff0c\u9ed8\u8a8d\u70ba\u7576\u524d\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VXzMIzAvja\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86 MySQL \u7684\u5efa\u8868\u8a9e\u6cd5\u53ca\u5e38\u898b\u6578\u64da\u985e\u578b\uff0c\u4e26\u63d0\u4f9b\u4e86\u5169\u500b\u5be6\u969b\u7684\u5efa\u8868\u5be6\u4f8b\u3002\u900f\u904e\u9019\u4e9b\u793a\u4f8b\uff0c\u8b80\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728 MySQL \u4e2d\u5275\u5efa\u8868\u4ee5\u5b58\u5132\u6578\u64da\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3 <a href=\"https:\/\/server.hk\">VPS<\/a> \u53ca\u5176\u76f8\u95dc\u670d\u52d9\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2 MySQL \u5efa\u8868\u5be6\u4f8b\uff0c\u638c\u63e1\u8cc7\u6599\u5eab\u8a2d\u8a08\u6280\u5de7\uff0c\u5feb\u901f\u5275\u5efa\u9ad8\u6548\u7684\u6578\u64da\u8868\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u80fd\u529b\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-76034","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76034","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=76034"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76034\/revisions"}],"predecessor-version":[{"id":76035,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76034\/revisions\/76035"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}