{"id":196225,"date":"2024-11-13T21:31:23","date_gmt":"2024-11-13T13:31:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196225\/"},"modified":"2024-11-13T21:31:25","modified_gmt":"2024-11-13T13:31:25","slug":"%e6%8e%8c%e6%8f%a1%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e9%8d%b5%e8%a8%ad%e7%bd%ae%e7%9a%84%e9%97%9c%e9%8d%b5%e5%ad%97%ef%bc%8c%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196225\/","title":{"rendered":"\u638c\u63e1\u6578\u64da\u5eab\u4e3b\u9375\u8a2d\u7f6e\u7684\u95dc\u9375\u5b57\uff0c\u63d0\u9ad8\u6578\u64da\u7ba1\u7406\u6548\u7387 (\u6578\u64da\u5eab\u4e3b\u9375\u8a2d\u7f6e\u7684\u95dc\u9375\u5b57)"},"content":{"rendered":"<h1 id=\"%e6%8e%8c%e6%8f%a1%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e9%8d%b5%e8%a8%ad%e7%bd%ae%e7%9a%84%e9%97%9c%e9%8d%b5%e5%ad%97%ef%bc%8c%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%95%88%e7%8e%87-OQgMcKlMAe\">\u638c\u63e1\u6578\u64da\u5eab\u4e3b\u9375\u8a2d\u7f6e\u7684\u95dc\u9375\u5b57\uff0c\u63d0\u9ad8\u6578\u64da\u7ba1\u7406\u6548\u7387<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u4e3b\u9375\u7684\u8a2d\u7f6e\u662f\u81f3\u95dc\u91cd\u8981\u7684\u4e00\u6b65\u3002\u4e3b\u9375\u4e0d\u50c5\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u6578\u64da\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u8a18\u9304\uff0c\u9084\u5728\u6578\u64da\u7ba1\u7406\u548c\u67e5\u8a62\u6548\u7387\u4e0a\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e3b\u9375\u7684\u6982\u5ff5\u3001\u8a2d\u7f6e\u65b9\u6cd5\u53ca\u5176\u5c0d\u6578\u64da\u7ba1\u7406\u6548\u7387\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%b8%bb%e9%8d%b5%ef%bc%9f-OQgMcKlMAe\">\u4ec0\u9ebc\u662f\u4e3b\u9375\uff1f<\/h2>\n<p>\u4e3b\u9375\uff08Primary Key\uff09\u662f\u6578\u64da\u5eab\u8868\u4e2d\u4e00\u500b\u6216\u591a\u500b\u5217\u7684\u7d44\u5408\uff0c\u9019\u4e9b\u5217\u7684\u503c\u80fd\u5920\u552f\u4e00\u5730\u6a19\u8b58\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u3002\u4e3b\u9375\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u552f\u4e00\u6027\uff1a\u4e3b\u9375\u7684\u503c\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u4e0d\u80fd\u91cd\u8907\u3002<\/li>\n<li>\u975e\u7a7a\u6027\uff1a\u4e3b\u9375\u7684\u503c\u4e0d\u80fd\u70ba\u7a7a\uff0c\u5fc5\u9808\u6709\u503c\u3002<\/li>\n<li>\u7a69\u5b9a\u6027\uff1a\u4e3b\u9375\u7684\u503c\u61c9\u8a72\u5728\u6578\u64da\u7684\u751f\u547d\u5468\u671f\u5167\u4fdd\u6301\u4e0d\u8b8a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%b8%bb%e9%8d%b5%e7%9a%84%e8%a8%ad%e7%bd%ae%e6%96%b9%e6%b3%95-OQgMcKlMAe\">\u4e3b\u9375\u7684\u8a2d\u7f6e\u65b9\u6cd5<\/h2>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u9375\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4e3b\u9375\u8a2d\u7f6e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e8%87%aa%e5%a2%9e%e4%b8%bb%e9%8d%b5-OQgMcKlMAe\">1. \u81ea\u589e\u4e3b\u9375<\/h3>\n<p>\u81ea\u589e\u4e3b\u9375\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u8a2d\u7f6e\u65b9\u5f0f\uff0c\u901a\u5e38\u7528\u65bc\u6574\u6578\u985e\u578b\u7684\u5217\u3002\u7576\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u6578\u64da\u5eab\u6703\u81ea\u52d5\u70ba\u8a72\u5217\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\u3002\u4f8b\u5982\uff0c\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u9019\u6a23\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT,\n    username VARCHAR(50),\n    PRIMARY KEY (id)\n);<\/code><\/pre>\n<h3 id=\"2-%e8%87%aa%e5%ae%9a%e7%be%a9%e4%b8%bb%e9%8d%b5-OQgMcKlMAe\">2. \u81ea\u5b9a\u7fa9\u4e3b\u9375<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u696d\u52d9\u908f\u8f2f\u4e2d\u7684\u67d0\u4e9b\u5b57\u6bb5\u4f5c\u70ba\u4e3b\u9375\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u4f5c\u70ba\u7528\u6236\u8868\u7684\u4e3b\u9375\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    email VARCHAR(100),\n    username VARCHAR(50),\n    PRIMARY KEY (email)\n);<\/code><\/pre>\n<h3 id=\"3-%e8%a4%87%e5%90%88%e4%b8%bb%e9%8d%b5-OQgMcKlMAe\">3. \u8907\u5408\u4e3b\u9375<\/h3>\n<p>\u7576\u4e00\u500b\u5b57\u6bb5\u7121\u6cd5\u552f\u4e00\u6a19\u8b58\u4e00\u884c\u8a18\u9304\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u8907\u5408\u4e3b\u9375\u3002\u9019\u662f\u7531\u591a\u500b\u5217\u7d44\u6210\u7684\u4e3b\u9375\u3002\u4f8b\u5982\uff0c\u5728\u8a02\u55ae\u8868\u4e2d\uff0c\u8a02\u55aeID\u548c\u7522\u54c1ID\u7684\u7d44\u5408\u53ef\u4ee5\u4f5c\u70ba\u8907\u5408\u4e3b\u9375\uff1a<\/p>\n<pre><code>CREATE TABLE order_items (\n    order_id INT,\n    product_id INT,\n    PRIMARY KEY (order_id, product_id)\n);<\/code><\/pre>\n<h2 id=\"%e4%b8%bb%e9%8d%b5%e5%b0%8d%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%95%88%e7%8e%87%e7%9a%84%e5%bd%b1%e9%9f%bf-OQgMcKlMAe\">\u4e3b\u9375\u5c0d\u6578\u64da\u7ba1\u7406\u6548\u7387\u7684\u5f71\u97ff<\/h2>\n<p>\u4e3b\u9375\u7684\u8a2d\u7f6e\u5c0d\u6578\u64da\u7ba1\u7406\u6548\u7387\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\uff0c\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e6%8f%90%e9%ab%98%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87-OQgMcKlMAe\">1. \u63d0\u9ad8\u67e5\u8a62\u6548\u7387<\/h3>\n<p>\u4e3b\u9375\u7684\u552f\u4e00\u6027\u4f7f\u5f97\u6578\u64da\u5eab\u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u5230\u7279\u5b9a\u7684\u8a18\u9304\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u4f7f\u7528\u7d22\u5f15\u7684\u4e3b\u9375\u53ef\u4ee5\u9032\u4e00\u6b65\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e4%bf%9d%e6%95%b8%e6%93%9a%e5%ae%8c%e6%95%b4%e6%80%a7-OQgMcKlMAe\">2. \u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027<\/h3>\n<p>\u4e3b\u9375\u7684\u8a2d\u7f6e\u80fd\u5920\u9632\u6b62\u91cd\u8907\u6578\u64da\u7684\u63d2\u5165\uff0c\u5f9e\u800c\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u9019\u5c0d\u65bc\u7dad\u8b77\u6578\u64da\u5eab\u7684\u8cea\u91cf\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3 id=\"3-%e4%bf%83%e9%80%b2%e6%95%b8%e6%93%9a%e9%97%9c%e8%81%af-OQgMcKlMAe\">3. \u4fc3\u9032\u6578\u64da\u95dc\u806f<\/h3>\n<p>\u5728\u95dc\u806f\u6578\u64da\u5eab\u4e2d\uff0c\u4e3b\u9375\u901a\u5e38\u7528\u65bc\u5efa\u7acb\u8868\u4e4b\u9593\u7684\u95dc\u806f\u3002\u5916\u9375\u53c3\u8003\u4e3b\u9375\u7684\u8a2d\u7f6e\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-OQgMcKlMAe\">\u7d50\u8ad6<\/h2>\n<p>\u638c\u63e1\u6578\u64da\u5eab\u4e3b\u9375\u7684\u8a2d\u7f6e\u5c0d\u65bc\u63d0\u9ad8\u6578\u64da\u7ba1\u7406\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u9078\u64c7\u5408\u9069\u7684\u4e3b\u9375\u985e\u578b\uff0c\u80fd\u5920\u6709\u6548\u5730\u63d0\u5347\u67e5\u8a62\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\uff0c\u4e26\u4fc3\u9032\u6578\u64da\u4e4b\u9593\u7684\u95dc\u806f\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u53d6\u5f97\u66f4\u9ad8\u6548\u7387\u7684\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f86\u8aaa\uff0c\u6df1\u5165\u7406\u89e3\u4e3b\u9375\u7684\u8a2d\u7f6e\u539f\u5247\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u76f8\u95dc\u6280\u8853\u7684\u8cc7\u8a0a\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u63a2\u7d22\u6211\u5011\u63d0\u4f9b\u7684\u5404\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5305\u62ec <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u6578\u64da\u5eab\u4e3b\u9375\u8a2d\u7f6e\u7684\u95dc\u9375\u5b57\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u67e5\u8a62\u6027\u80fd\uff0c\u52a9\u60a8\u512a\u5316\u6578\u64da\u5eab\u904b\u7528\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-196225","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196225","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=196225"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196225\/revisions"}],"predecessor-version":[{"id":196226,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196225\/revisions\/196226"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}