{"id":158757,"date":"2024-11-03T04:33:44","date_gmt":"2024-11-02T20:33:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/158757\/"},"modified":"2024-11-03T04:33:45","modified_gmt":"2024-11-02T20:33:45","slug":"%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e4%b8%89%e5%a4%a7%e7%af%84%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/158757\/","title":{"rendered":"\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u8a2d\u8a08\u4e09\u5927\u7bc4\u5f0f"},"content":{"rendered":"<h1 id=\"%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e4%b8%89%e5%a4%a7%e7%af%84%e5%bc%8f-zZGTSHNpbD\">\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u8a2d\u8a08\u4e09\u5927\u7bc4\u5f0f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08RDBMS\uff09\u662f\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u4e3b\u8981\u65b9\u5f0f\u4e4b\u4e00\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff0c\u6578\u64da\u5eab\u8a2d\u8a08\u5e2b\u901a\u5e38\u9075\u5faa\u4e00\u7cfb\u5217\u7684\u8a2d\u8a08\u539f\u5247\uff0c\u9019\u4e9b\u539f\u5247\u88ab\u7a31\u70ba\u300c\u7bc4\u5f0f\u300d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u4e09\u5927\u7bc4\u5f0f\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5982\u4f55\u6709\u6548\u5730\u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e7%ac%ac%e4%b8%80%e7%af%84%e5%bc%8f%ef%bc%881nf%ef%bc%89-zZGTSHNpbD\">\u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09<\/h2>\n<p>\u7b2c\u4e00\u7bc4\u5f0f\u7684\u6838\u5fc3\u6982\u5ff5\u662f\u78ba\u4fdd\u6578\u64da\u8868\u4e2d\u7684\u6bcf\u4e00\u500b\u6b04\u4f4d\u90fd\u53ea\u5305\u542b\u539f\u5b50\u503c\uff0c\u5373\u4e0d\u53ef\u518d\u5206\u7684\u6578\u64da\u3002\u9019\u610f\u5473\u8457\u6bcf\u4e00\u5217\u90fd\u61c9\u8a72\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u6bcf\u4e00\u884c\u90fd\u61c9\u8a72\u662f\u552f\u4e00\u7684\u3002\u70ba\u4e86\u6eff\u8db3\u7b2c\u4e00\u7bc4\u5f0f\u7684\u8981\u6c42\uff0c\u6578\u64da\u8868\u4e2d\u7684\u6bcf\u4e00\u500b\u6b04\u4f4d\u90fd\u5fc5\u9808\u662f\u55ae\u4e00\u7684\u6578\u64da\u985e\u578b\uff0c\u4e14\u4e0d\u61c9\u5305\u542b\u91cd\u8907\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-zZGTSHNpbD\">\u7bc4\u4f8b<\/h3>\n<pre><code>CREATE TABLE \u5b78\u751f (\n    \u5b78\u751fID INT PRIMARY KEY,\n    \u59d3\u540d VARCHAR(100),\n    \u8ab2\u7a0b VARCHAR(100) -- \u4e0d\u7b26\u54081NF\uff0c\u56e0\u70ba\u8ab2\u7a0b\u53ef\u4ee5\u6709\u591a\u500b\n);\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0c\u8ab2\u7a0b\u6b04\u4f4d\u53ef\u80fd\u5305\u542b\u591a\u500b\u8ab2\u7a0b\u540d\u7a31\uff0c\u9019\u4e0d\u7b26\u5408\u7b2c\u4e00\u7bc4\u5f0f\u3002\u70ba\u4e86\u6eff\u8db31NF\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u8ab2\u7a0b\u5206\u62c6\u5230\u53e6\u4e00\u500b\u8868\u4e2d\uff1a<\/p>\n<pre><code>CREATE TABLE \u5b78\u751f (\n    \u5b78\u751fID INT PRIMARY KEY,\n    \u59d3\u540d VARCHAR(100)\n);\n\nCREATE TABLE \u5b78\u751f\u8ab2\u7a0b (\n    \u5b78\u751fID INT,\n    \u8ab2\u7a0b VARCHAR(100),\n    PRIMARY KEY (\u5b78\u751fID, \u8ab2\u7a0b)\n);\n<\/code><\/pre>\n<h2 id=\"%e7%ac%ac%e4%ba%8c%e7%af%84%e5%bc%8f%ef%bc%882nf%ef%bc%89-zZGTSHNpbD\">\u7b2c\u4e8c\u7bc4\u5f0f\uff082NF\uff09<\/h2>\n<p>\u7b2c\u4e8c\u7bc4\u5f0f\u8981\u6c42\u6578\u64da\u8868\u5fc5\u9808\u6eff\u8db3\u7b2c\u4e00\u7bc4\u5f0f\u7684\u8981\u6c42\uff0c\u4e26\u4e14\u6240\u6709\u975e\u4e3b\u9375\u6b04\u4f4d\u5fc5\u9808\u5b8c\u5168\u4f9d\u8cf4\u65bc\u4e3b\u9375\u3002\u9019\u610f\u5473\u8457\u5982\u679c\u4e00\u500b\u6b04\u4f4d\u4f9d\u8cf4\u65bc\u4e3b\u9375\u7684\u4e00\u90e8\u5206\uff0c\u90a3\u9ebc\u9019\u500b\u8868\u5c31\u4e0d\u7b26\u5408\u7b2c\u4e8c\u7bc4\u5f0f\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u8907\u5408\u4e3b\u9375\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-zZGTSHNpbD\">\u7bc4\u4f8b<\/h3>\n<pre><code>CREATE TABLE \u8a02\u55ae (\n    \u8a02\u55aeID INT,\n    \u7522\u54c1ID INT,\n    \u7522\u54c1\u540d\u7a31 VARCHAR(100), -- \u4e0d\u7b26\u54082NF\uff0c\u56e0\u70ba\u7522\u54c1\u540d\u7a31\u4f9d\u8cf4\u65bc\u7522\u54c1ID\n    PRIMARY KEY (\u8a02\u55aeID, \u7522\u54c1ID)\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7522\u54c1\u540d\u7a31\u4f9d\u8cf4\u65bc\u7522\u54c1ID\uff0c\u800c\u4e0d\u662f\u6574\u500b\u4e3b\u9375\u3002\u70ba\u4e86\u6eff\u8db3\u7b2c\u4e8c\u7bc4\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u7522\u54c1\u540d\u7a31\u79fb\u5230\u53e6\u4e00\u500b\u8868\u4e2d\uff1a<\/p>\n<pre><code>CREATE TABLE \u8a02\u55ae (\n    \u8a02\u55aeID INT,\n    \u7522\u54c1ID INT,\n    PRIMARY KEY (\u8a02\u55aeID, \u7522\u54c1ID)\n);\n\nCREATE TABLE \u7522\u54c1 (\n    \u7522\u54c1ID INT PRIMARY KEY,\n    \u7522\u54c1\u540d\u7a31 VARCHAR(100)\n);\n<\/code><\/pre>\n<h2 id=\"%e7%ac%ac%e4%b8%89%e7%af%84%e5%bc%8f%ef%bc%883nf%ef%bc%89-zZGTSHNpbD\">\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09<\/h2>\n<p>\u7b2c\u4e09\u7bc4\u5f0f\u8981\u6c42\u6578\u64da\u8868\u5fc5\u9808\u6eff\u8db3\u7b2c\u4e8c\u7bc4\u5f0f\u7684\u8981\u6c42\uff0c\u4e26\u4e14\u6240\u6709\u975e\u4e3b\u9375\u6b04\u4f4d\u5fc5\u9808\u76f4\u63a5\u4f9d\u8cf4\u65bc\u4e3b\u9375\uff0c\u800c\u4e0d\u662f\u4f9d\u8cf4\u65bc\u5176\u4ed6\u975e\u4e3b\u9375\u6b04\u4f4d\u3002\u9019\u6709\u52a9\u65bc\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-zZGTSHNpbD\">\u7bc4\u4f8b<\/h3>\n<pre><code>CREATE TABLE \u54e1\u5de5 (\n    \u54e1\u5de5ID INT PRIMARY KEY,\n    \u59d3\u540d VARCHAR(100),\n    \u90e8\u9580ID INT,\n    \u90e8\u9580\u540d\u7a31 VARCHAR(100) -- \u4e0d\u7b26\u54083NF\uff0c\u56e0\u70ba\u90e8\u9580\u540d\u7a31\u4f9d\u8cf4\u65bc\u90e8\u9580ID\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u90e8\u9580\u540d\u7a31\u4f9d\u8cf4\u65bc\u90e8\u9580ID\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f9d\u8cf4\u65bc\u54e1\u5de5ID\u3002\u70ba\u4e86\u6eff\u8db3\u7b2c\u4e09\u7bc4\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u90e8\u9580\u540d\u7a31\u79fb\u5230\u53e6\u4e00\u500b\u8868\u4e2d\uff1a<\/p>\n<pre><code>CREATE TABLE \u54e1\u5de5 (\n    \u54e1\u5de5ID INT PRIMARY KEY,\n    \u59d3\u540d VARCHAR(100),\n    \u90e8\u9580ID INT\n);\n\nCREATE TABLE \u90e8\u9580 (\n    \u90e8\u9580ID INT PRIMARY KEY,\n    \u90e8\u9580\u540d\u7a31 VARCHAR(100)\n);\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zZGTSHNpbD\">\u7e3d\u7d50<\/h2>\n<p>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u4e09\u5927\u7bc4\u5f0f\u2014\u2014\u7b2c\u4e00\u7bc4\u5f0f\u3001\u7b2c\u4e8c\u7bc4\u5f0f\u548c\u7b2c\u4e09\u7bc4\u5f0f\uff0c\u70ba\u6578\u64da\u5eab\u7684\u7d50\u69cb\u63d0\u4f9b\u4e86\u6e05\u6670\u7684\u6307\u5c0e\u539f\u5247\u3002\u9075\u5faa\u9019\u4e9b\u7bc4\u5f0f\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff0c\u9084\u80fd\u5920\u6e1b\u5c11\u6578\u64da\u5197\u9918\uff0c\u5f9e\u800c\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\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> \u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u9019\u4e9b\u7bc4\u5f0f\u5c07\u5e6b\u52a9\u60a8\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u4e09\u5927\u7bc4\u5f0f\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7d44\u7e54\u6578\u64da\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u4e00\u81f4\u6027\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-158757","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158757","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=158757"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158757\/revisions"}],"predecessor-version":[{"id":158758,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158757\/revisions\/158758"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=158757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=158757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=158757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}