{"id":153077,"date":"2024-11-02T04:26:20","date_gmt":"2024-11-01T20:26:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153077\/"},"modified":"2024-11-02T04:26:21","modified_gmt":"2024-11-01T20:26:21","slug":"%e5%89%b5%e5%bb%ba-sql-%e8%a7%92%e8%89%b2%e8%88%87%e6%ac%8a%e9%99%90%e7%94%a8%e5%88%b0%e7%9a%84%e4%ba%94%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153077\/","title":{"rendered":"\u5275\u5efa SQL \u89d2\u8272\u8207\u6b0a\u9650\u7528\u5230\u7684\u4e94\u500b\u6578\u64da\u5eab\u8868"},"content":{"rendered":"<h1 id=\"%e5%89%b5%e5%bb%ba-sql-%e8%a7%92%e8%89%b2%e8%88%87%e6%ac%8a%e9%99%90%e7%94%a8%e5%88%b0%e7%9a%84%e4%ba%94%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8-ebnGkDUIPu\">\u5275\u5efa SQL \u89d2\u8272\u8207\u6b0a\u9650\u7528\u5230\u7684\u4e94\u500b\u6578\u64da\u5eab\u8868<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u89d2\u8272\u548c\u6b0a\u9650\u7684\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u548c\u6709\u6548\u8a2a\u554f\u7684\u95dc\u9375\u3002SQL \u89d2\u8272\u5141\u8a31\u7528\u6236\u6839\u64da\u5176\u8077\u8cac\u7372\u5f97\u76f8\u61c9\u7684\u6b0a\u9650\uff0c\u5f9e\u800c\u7c21\u5316\u4e86\u6b0a\u9650\u7ba1\u7406\u7684\u904e\u7a0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5275\u5efa SQL \u89d2\u8272\u8207\u6b0a\u9650\u6240\u9700\u7684\u4e94\u500b\u91cd\u8981\u6578\u64da\u5eab\u8868\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728 SQL \u74b0\u5883\u4e2d\u9032\u884c\u89d2\u8272\u548c\u6b0a\u9650\u7684\u7ba1\u7406\u3002<\/p>\n<h2>1. <code>roles<\/code> \u8868<\/h2>\n<p>\u9019\u500b\u8868\u7528\u65bc\u5b58\u5132\u6240\u6709\u7684\u89d2\u8272\u4fe1\u606f\u3002\u6bcf\u500b\u89d2\u8272\u90fd\u53ef\u4ee5\u88ab\u8ce6\u4e88\u4e0d\u540c\u7684\u6b0a\u9650\uff0c\u4e26\u4e14\u53ef\u4ee5\u88ab\u591a\u500b\u7528\u6236\u6240\u4f7f\u7528\u3002<code>roles<\/code> \u8868\u7684\u7d50\u69cb\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>role_id<\/code>: \u89d2\u8272\u7684\u552f\u4e00\u6a19\u8b58\u7b26\u3002<\/li>\n<li><code>role_name<\/code>: \u89d2\u8272\u7684\u540d\u7a31\u3002<\/li>\n<li><code>description<\/code>: \u89d2\u8272\u7684\u63cf\u8ff0\u3002<\/li>\n<\/ul>\n<pre><code>CREATE TABLE roles (\n    role_id INT PRIMARY KEY,\n    role_name VARCHAR(50) NOT NULL,\n    description TEXT\n);<\/code><\/pre>\n<h2>2. <code>users<\/code> \u8868<\/h2>\n<p>\u9019\u500b\u8868\u7528\u65bc\u5b58\u5132\u7528\u6236\u4fe1\u606f\u3002\u6bcf\u500b\u7528\u6236\u53ef\u4ee5\u88ab\u5206\u914d\u4e00\u500b\u6216\u591a\u500b\u89d2\u8272\u3002<code>users<\/code> \u8868\u7684\u7d50\u69cb\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>user_id<\/code>: \u7528\u6236\u7684\u552f\u4e00\u6a19\u8b58\u7b26\u3002<\/li>\n<li><code>username<\/code>: \u7528\u6236\u540d\u3002<\/li>\n<li><code>password<\/code>: \u7528\u6236\u7684\u5bc6\u78bc\u3002<\/li>\n<\/ul>\n<pre><code>CREATE TABLE users (\n    user_id INT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    password VARCHAR(255) NOT NULL\n);<\/code><\/pre>\n<h2>3. <code>user_roles<\/code> \u8868<\/h2>\n<p>\u9019\u500b\u8868\u7528\u65bc\u5efa\u7acb\u7528\u6236\u8207\u89d2\u8272\u4e4b\u9593\u7684\u95dc\u806f\u3002\u6bcf\u500b\u7528\u6236\u53ef\u4ee5\u64c1\u6709\u591a\u500b\u89d2\u8272\uff0c\u800c\u6bcf\u500b\u89d2\u8272\u4e5f\u53ef\u4ee5\u88ab\u591a\u500b\u7528\u6236\u64c1\u6709\u3002<code>user_roles<\/code> \u8868\u7684\u7d50\u69cb\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>user_id<\/code>: \u53c3\u8003 <code>users<\/code> \u8868\u7684\u7528\u6236 ID\u3002<\/li>\n<li><code>role_id<\/code>: \u53c3\u8003 <code>roles<\/code> \u8868\u7684\u89d2\u8272 ID\u3002<\/li>\n<\/ul>\n<pre><code>CREATE TABLE user_roles (\n    user_id INT,\n    role_id INT,\n    PRIMARY KEY (user_id, role_id),\n    FOREIGN KEY (user_id) REFERENCES users(user_id),\n    FOREIGN KEY (role_id) REFERENCES roles(role_id)\n);<\/code><\/pre>\n<h2>4. <code>permissions<\/code> \u8868<\/h2>\n<p>\u9019\u500b\u8868\u7528\u65bc\u5b9a\u7fa9\u6240\u6709\u53ef\u7528\u7684\u6b0a\u9650\u3002\u6bcf\u500b\u6b0a\u9650\u53ef\u4ee5\u88ab\u5206\u914d\u7d66\u4e00\u500b\u6216\u591a\u500b\u89d2\u8272\u3002<code>permissions<\/code> \u8868\u7684\u7d50\u69cb\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>permission_id<\/code>: \u6b0a\u9650\u7684\u552f\u4e00\u6a19\u8b58\u7b26\u3002<\/li>\n<li><code>permission_name<\/code>: \u6b0a\u9650\u7684\u540d\u7a31\u3002<\/li>\n<li><code>description<\/code>: \u6b0a\u9650\u7684\u63cf\u8ff0\u3002<\/li>\n<\/ul>\n<pre><code>CREATE TABLE permissions (\n    permission_id INT PRIMARY KEY,\n    permission_name VARCHAR(50) NOT NULL,\n    description TEXT\n);<\/code><\/pre>\n<h2>5. <code>role_permissions<\/code> \u8868<\/h2>\n<p>\u9019\u500b\u8868\u7528\u65bc\u5efa\u7acb\u89d2\u8272\u8207\u6b0a\u9650\u4e4b\u9593\u7684\u95dc\u806f\u3002\u6bcf\u500b\u89d2\u8272\u53ef\u4ee5\u64c1\u6709\u591a\u500b\u6b0a\u9650\uff0c\u800c\u6bcf\u500b\u6b0a\u9650\u4e5f\u53ef\u4ee5\u88ab\u591a\u500b\u89d2\u8272\u64c1\u6709\u3002<code>role_permissions<\/code> \u8868\u7684\u7d50\u69cb\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>role_id<\/code>: \u53c3\u8003 <code>roles<\/code> \u8868\u7684\u89d2\u8272 ID\u3002<\/li>\n<li><code>permission_id<\/code>: \u53c3\u8003 <code>permissions<\/code> \u8868\u7684\u6b0a\u9650 ID\u3002<\/li>\n<\/ul>\n<pre><code>CREATE TABLE role_permissions (\n    role_id INT,\n    permission_id INT,\n    PRIMARY KEY (role_id, permission_id),\n    FOREIGN KEY (role_id) REFERENCES roles(role_id),\n    FOREIGN KEY (permission_id) REFERENCES permissions(permission_id)\n);<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ebnGkDUIPu\">\u7e3d\u7d50<\/h2>\n<p>\u5728 SQL \u6578\u64da\u5eab\u4e2d\uff0c\u5275\u5efa\u548c\u7ba1\u7406\u89d2\u8272\u8207\u6b0a\u9650\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528\u4e0a\u8ff0\u4e94\u500b\u6578\u64da\u5eab\u8868\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u7528\u6236\u3001\u89d2\u8272\u548c\u6b0a\u9650\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u548c\u53ef\u7ba1\u7406\u6027\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9999\u6e2f\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u74b0\u5883\u4e2d\u5be6\u65bd\u9019\u4e9b\u7ba1\u7406\u7b56\u7565\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5275\u5efa SQL \u89d2\u8272\u8207\u6b0a\u9650\u6240\u9700\u7684\u4e94\u500b\u95dc\u9375\u6578\u64da\u5eab\u8868\uff0c\u63d0\u5347\u6578\u64da\u5b89\u5168\u6027\u8207\u7ba1\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-153077","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153077","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=153077"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153077\/revisions"}],"predecessor-version":[{"id":153078,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153077\/revisions\/153078"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}