{"id":78124,"date":"2024-10-16T11:30:16","date_gmt":"2024-10-16T03:30:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/78124\/"},"modified":"2024-10-16T11:30:16","modified_gmt":"2024-10-16T03:30:16","slug":"mysql%e6%8c%87%e4%bb%a4-create-table%ef%bc%88%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/78124\/","title":{"rendered":"MySQL\u6307\u4ee4: CREATE TABLE\uff08\u5275\u5efa\u6578\u64da\u8868\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-create-table%ef%bc%88%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8%ef%bc%89-zvhqNSGxNI\">MySQL\u6307\u4ee4: CREATE TABLE\uff08\u5275\u5efa\u6578\u64da\u8868\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u7684\u9748\u6d3b\u6027\u548c\u9ad8\u6548\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u4e2d\u7684CREATE TABLE\u6307\u4ee4\uff0c\u9019\u662f\u5275\u5efa\u6578\u64da\u8868\u7684\u57fa\u672c\u547d\u4ee4\u3002<\/p>\n<h2 id=\"create-table%e6%8c%87%e4%bb%a4%e6%a6%82%e8%bf%b0-zvhqNSGxNI\">CREATE TABLE\u6307\u4ee4\u6982\u8ff0<\/h2>\n<p>CREATE TABLE\u6307\u4ee4\u7528\u65bc\u5728\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u4e00\u500b\u65b0\u7684\u6578\u64da\u8868\u3002\u6578\u64da\u8868\u662f\u6578\u64da\u5eab\u7684\u57fa\u672c\u7d44\u7e54\u55ae\u4f4d\uff0c\u6578\u64da\u4ee5\u884c\u548c\u5217\u7684\u5f62\u5f0f\u5b58\u5132\u3002\u6bcf\u500b\u6578\u64da\u8868\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u540d\u7a31\uff0c\u4e26\u4e14\u53ef\u4ee5\u5305\u542b\u591a\u500b\u5217\uff0c\u6bcf\u5217\u90fd\u6709\u5176\u7279\u5b9a\u7684\u6578\u64da\u985e\u578b\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-zvhqNSGxNI\">\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<pre><code>CREATE TABLE \u8868\u540d (\n    \u5217\u540d1 \u6578\u64da\u985e\u578b1 [\u7d04\u675f\u689d\u4ef6],\n    \u5217\u540d2 \u6578\u64da\u985e\u578b2 [\u7d04\u675f\u689d\u4ef6],\n    ...\n);<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<strong>\u8868\u540d<\/strong>\u662f\u60a8\u8981\u5275\u5efa\u7684\u6578\u64da\u8868\u7684\u540d\u7a31\uff0c<strong>\u5217\u540d<\/strong>\u662f\u6578\u64da\u8868\u4e2d\u7684\u5217\u540d\u7a31\uff0c\u800c<strong id=\"%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-zvhqNSGxNI\">\u6578\u64da\u985e\u578b<\/strong>\u5247\u5b9a\u7fa9\u4e86\u8a72\u5217\u53ef\u4ee5\u5b58\u5132\u7684\u6578\u64da\u985e\u578b\u3002\u7d04\u675f\u689d\u4ef6\u662f\u53ef\u9078\u7684\uff0c\u7528\u65bc\u9650\u5236\u5217\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-zvhqNSGxNI\">\u6578\u64da\u985e\u578b<\/h2>\n<p>MySQL\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u4e3b\u8981\u5206\u70ba\u4ee5\u4e0b\u5e7e\u985e\uff1a<\/p>\n<ul>\n<li><strong>\u6574\u6578\u985e\u578b\uff1a<\/strong>\u5982 INT, TINYINT, SMALLINT, MEDIUMINT, BIGINT\u3002<\/li>\n<li><strong>\u6d6e\u9ede\u6578\u985e\u578b\uff1a<\/strong>\u5982 FLOAT, DOUBLE, DECIMAL\u3002<\/li>\n<li><strong>\u5b57\u7b26\u4e32\u985e\u578b\uff1a<\/strong>\u5982 CHAR, VARCHAR, TEXT, BLOB\u3002<\/li>\n<li><strong>\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\uff1a<\/strong>\u5982 DATE, TIME, DATETIME, TIMESTAMP\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e7%94%a8%e6%88%b6%e8%a1%a8-zvhqNSGxNI\">\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u7528\u6236\u8868<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u7528\u6236\u8868\u7684\u793a\u4f8b\uff0c\u8a72\u8868\u5305\u542b\u7528\u6236\u7684ID\u3001\u59d3\u540d\u3001\u96fb\u5b50\u90f5\u4ef6\u548c\u8a3b\u518a\u65e5\u671f\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL,\n    email VARCHAR(100) NOT NULL UNIQUE,\n    registered_at DATETIME DEFAULT CURRENT_TIMESTAMP\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>id<\/strong>\u5217\u662f\u6574\u6578\u985e\u578b\uff0c\u4e26\u8a2d\u7f6e\u70ba\u81ea\u52d5\u589e\u91cf\uff0c\u9019\u610f\u5473\u8457\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u8a72\u503c\u6703\u81ea\u52d5\u589e\u52a0\u3002<\/li>\n<li><strong>name<\/strong>\u548c<strong>email<\/strong>\u5217\u662f\u5b57\u7b26\u4e32\u985e\u578b\uff0c\u4e26\u4e14\u8a2d\u7f6e\u70ba\u4e0d\u5141\u8a31\u70ba\u7a7a\u3002<\/li>\n<li><strong>registered_at<\/strong>\u5217\u662f\u65e5\u671f\u6642\u9593\u985e\u578b\uff0c\u9ed8\u8a8d\u503c\u70ba\u7576\u524d\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b4%84%e6%9d%9f%e6%a2%9d%e4%bb%b6-zvhqNSGxNI\">\u7d04\u675f\u689d\u4ef6<\/h2>\n<p>\u5728CREATE TABLE\u6307\u4ee4\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u7d04\u675f\u689d\u4ef6\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6e96\u78ba\u6027\u3002\u5e38\u898b\u7684\u7d04\u675f\u689d\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>NOT NULL\uff1a<\/strong>\u78ba\u4fdd\u5217\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li><strong>UNIQUE\uff1a<\/strong>\u78ba\u4fdd\u5217\u4e2d\u7684\u6240\u6709\u503c\u90fd\u662f\u552f\u4e00\u7684\u3002<\/li>\n<li><strong>PRIMARY KEY\uff1a<\/strong>\u552f\u4e00\u6a19\u8b58\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u3002<\/li>\n<li><strong>FOREIGN KEY\uff1a<\/strong>\u7528\u65bc\u5efa\u7acb\u8207\u5176\u4ed6\u8868\u7684\u95dc\u806f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zvhqNSGxNI\">\u7e3d\u7d50<\/h2>\n<p>CREATE TABLE\u6307\u4ee4\u662fMySQL\u4e2d\u5275\u5efa\u6578\u64da\u8868\u7684\u57fa\u790e\uff0c\u7406\u89e3\u5176\u8a9e\u6cd5\u548c\u7528\u6cd5\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u6578\u64da\u8868\u7d50\u69cb\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u5132\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u5b89\u5168\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528MySQL\u6307\u4ee4CREATE TABLE\u5275\u5efa\u6578\u64da\u8868\uff0c\u638c\u63e1\u6578\u64da\u5eab\u7d50\u69cb\u8a2d\u8a08\u7684\u57fa\u790e\u77e5\u8b58\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-78124","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78124","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=78124"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78124\/revisions"}],"predecessor-version":[{"id":78125,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78124\/revisions\/78125"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=78124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=78124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=78124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}