{"id":187798,"date":"2024-11-11T17:16:19","date_gmt":"2024-11-11T09:16:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187798\/"},"modified":"2024-11-11T17:16:20","modified_gmt":"2024-11-11T09:16:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%9e%9a%e8%88%89%e9%a1%9e%e5%9e%8b%e8%a9%b3%e8%a7%a3-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%9e%9a%e8%88%89%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187798\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d\u679a\u8209\u985e\u578b\u8a73\u89e3 (\u6578\u64da\u5eab\u4e2d\u679a\u8209\u985e\u578b)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%9e%9a%e8%88%89%e9%a1%9e%e5%9e%8b%e8%a9%b3%e8%a7%a3-kYZmqrcsBN\">\u6578\u64da\u5eab\u4e2d\u679a\u8209\u985e\u578b\u8a73\u89e3<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u679a\u8209\u985e\u578b\uff08Enumeration 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id=\"%e6%9e%9a%e8%88%89%e9%a1%9e%e5%9e%8b%e7%9a%84%e7%bc%ba%e9%bb%9e-kYZmqrcsBN\">\u679a\u8209\u985e\u578b\u7684\u7f3a\u9ede<\/h2>\n<ul>\n<li><strong>\u9748\u6d3b\u6027\u4e0d\u8db3\uff1a<\/strong>\u4e00\u65e6\u5b9a\u7fa9\u4e86\u679a\u8209\u985e\u578b\uff0c\u6dfb\u52a0\u6216\u522a\u9664\u9078\u9805\u53ef\u80fd\u6703\u6bd4\u8f03\u9ebb\u7169\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u5eab\u4e2d\u5df2\u7d93\u5b58\u5728\u5927\u91cf\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\u554f\u984c\uff1a<\/strong>\u5982\u679c\u696d\u52d9\u9700\u6c42\u8b8a\u66f4\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u9019\u6703\u589e\u52a0\u7dad\u8b77\u6210\u672c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%9e%9a%e8%88%89%e9%a1%9e%e5%9e%8b-kYZmqrcsBN\">\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u4f7f\u7528\u679a\u8209\u985e\u578b<\/h2>\n<p>\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u679a\u8209\u985e\u578b\u7684\u5be6\u73fe\u65b9\u5f0f\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u5982\u4f55\u5b9a\u7fa9\u679a\u8209\u985e\u578b\u7684\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"mysql-kYZmqrcsBN\">MySQL<\/h3>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    gender ENUM('\u7537', '\u5973', '\u5176\u4ed6') NOT NULL\n);<\/code><\/pre>\n<h3 id=\"postgresql-kYZmqrcsBN\">PostgreSQL<\/h3>\n<pre><code>CREATE TYPE gender AS ENUM ('\u7537', '\u5973', '\u5176\u4ed6');\n\nCREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    name VARCHAR(100),\n    gender gender NOT NULL\n);<\/code><\/pre>\n<h3 id=\"sql-server-kYZmqrcsBN\">SQL Server<\/h3>\n<p>\u5728 SQL Server \u4e2d\uff0c\u96d6\u7136\u6c92\u6709\u76f4\u63a5\u7684\u679a\u8209\u985e\u578b\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528\u6aa2\u67e5\u7d04\u675f\uff08CHECK CONSTRAINT\uff09\u4f86\u6a21\u64ec\u679a\u8209\u7684\u884c\u70ba\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT PRIMARY KEY IDENTITY,\n    name NVARCHAR(100),\n    gender NVARCHAR(10) CHECK (gender IN ('\u7537', '\u5973', '\u5176\u4ed6'))\n);<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-kYZmqrcsBN\">\u7d50\u8ad6<\/h2>\n<p>\u679a\u8209\u985e\u578b\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u8b80\u6027\u3002\u7136\u800c\uff0c\u958b\u767c\u8005\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u8003\u616e\u5230\u5176\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u554f\u984c\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u9577\u671f\u7dad\u8b77\u548c\u6027\u80fd\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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