{"id":187738,"date":"2024-11-11T16:46:23","date_gmt":"2024-11-11T08:46:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187738\/"},"modified":"2024-11-11T16:46:24","modified_gmt":"2024-11-11T08:46:24","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e7%a2%bc%e5%92%8c%e4%b8%bb%e7%a2%bc%ef%bc%9a%e8%a7%a3%e6%9e%90%e8%88%87%e6%87%89%e7%94%a8-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%a2%bc%e5%92%8c%e4%b8%bb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187738\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d\u7684\u78bc\u548c\u4e3b\u78bc\uff1a\u89e3\u6790\u8207\u61c9\u7528 (\u6578\u64da\u5eab\u4e2d\u78bc\u548c\u4e3b\u78bc)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e7%a2%bc%e5%92%8c%e4%b8%bb%e7%a2%bc%ef%bc%9a%e8%a7%a3%e6%9e%90%e8%88%87%e6%87%89%e7%94%a8-roQqxrYOAW\">\u6578\u64da\u5eab\u4e2d\u7684\u78bc\u548c\u4e3b\u78bc\uff1a\u89e3\u6790\u8207\u61c9\u7528<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u78bc\uff08Code\uff09\u548c\u4e3b\u78bc\uff08Primary Key\uff09\u662f\u5169\u500b\u81f3\u95dc\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5b83\u5011\u5728\u6578\u64da\u7684\u7d44\u7e54\u3001\u67e5\u8a62\u548c\u5b8c\u6574\u6027\u65b9\u9762\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u5169\u500b\u6982\u5ff5\u7684\u5b9a\u7fa9\u3001\u7279\u6027\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%a2%bc%ef%bc%9f-roQqxrYOAW\">\u4ec0\u9ebc\u662f\u78bc\uff1f<\/h2>\n<p>\u78bc\u662f\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u6578\u64da\u5eab\u4e2d\u67d0\u4e00\u884c\u6578\u64da\u7684\u5b57\u6bb5\u6216\u5b57\u6bb5\u7d44\u5408\u3002\u5b83\u53ef\u4ee5\u662f\u55ae\u4e00\u5b57\u6bb5\uff0c\u4e5f\u53ef\u4ee5\u662f\u591a\u500b\u5b57\u6bb5\u7684\u7d44\u5408\u3002\u78bc\u7684\u4e3b\u8981\u76ee\u7684\u662f\u78ba\u4fdd\u6578\u64da\u7684\u552f\u4e00\u6027\uff0c\u907f\u514d\u91cd\u8907\u6578\u64da\u7684\u51fa\u73fe\u3002<\/p>\n<h3 id=\"%e7%a2%bc%e7%9a%84%e7%89%b9%e6%80%a7-roQqxrYOAW\">\u78bc\u7684\u7279\u6027<\/h3>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>\u78bc\u5fc5\u9808\u80fd\u5920\u552f\u4e00\u6a19\u8b58\u6578\u64da\u5eab\u4e2d\u7684\u6bcf\u4e00\u689d\u8a18\u9304\u3002<\/li>\n<li><strong>\u7a69\u5b9a\u6027\uff1a<\/strong>\u78bc\u7684\u503c\u61c9\u8a72\u5728\u6578\u64da\u7684\u751f\u547d\u5468\u671f\u5167\u4fdd\u6301\u4e0d\u8b8a\u3002<\/li>\n<li><strong>\u7c21\u6f54\u6027\uff1a<\/strong>\u78bc\u7684\u8a2d\u8a08\u61c9\u8a72\u76e1\u91cf\u7c21\u55ae\uff0c\u4fbf\u65bc\u4f7f\u7528\u548c\u8a18\u61b6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%b8%bb%e7%a2%bc%ef%bc%9f-roQqxrYOAW\">\u4ec0\u9ebc\u662f\u4e3b\u78bc\uff1f<\/h2>\n<p>\u4e3b\u78bc\u662f\u6578\u64da\u5eab\u8868\u4e2d\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u884c\u8a18\u9304\u7684\u5b57\u6bb5\u3002\u6bcf\u500b\u6578\u64da\u8868\u53ea\u80fd\u6709\u4e00\u500b\u4e3b\u78bc\uff0c\u4e26\u4e14\u4e3b\u78bc\u7684\u503c\u4e0d\u80fd\u70ba\u7a7a\u3002\u4e3b\u78bc\u7684\u8a2d\u8a08\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u5b8c\u6574\u6027\u548c\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3 id=\"%e4%b8%bb%e7%a2%bc%e7%9a%84%e7%89%b9%e6%80%a7-roQqxrYOAW\">\u4e3b\u78bc\u7684\u7279\u6027<\/h3>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>\u4e3b\u78bc\u5fc5\u9808\u80fd\u5920\u552f\u4e00\u6a19\u8b58\u8868\u4e2d\u7684\u6bcf\u4e00\u689d\u8a18\u9304\u3002<\/li>\n<li><strong>\u4e0d\u53ef\u70ba\u7a7a\uff1a<\/strong>\u4e3b\u78bc\u7684\u503c\u4e0d\u80fd\u70baNULL\uff0c\u9019\u78ba\u4fdd\u4e86\u6bcf\u689d\u8a18\u9304\u90fd\u6709\u4e00\u500b\u6709\u6548\u7684\u6a19\u8b58\u3002<\/li>\n<li><strong>\u4e0d\u8b8a\u6027\uff1a<\/strong>\u4e3b\u78bc\u7684\u503c\u61c9\u8a72\u5728\u8a18\u9304\u7684\u6574\u500b\u751f\u547d\u5468\u671f\u5167\u4fdd\u6301\u4e0d\u8b8a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a2%bc%e8%88%87%e4%b8%bb%e7%a2%bc%e7%9a%84%e5%8d%80%e5%88%a5-roQqxrYOAW\">\u78bc\u8207\u4e3b\u78bc\u7684\u5340\u5225<\/h2>\n<p>\u96d6\u7136\u78bc\u548c\u4e3b\u78bc\u90fd\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u6578\u64da\uff0c\u4f46\u5b83\u5011\u4e4b\u9593\u5b58\u5728\u4e00\u4e9b\u95dc\u9375\u7684\u5340\u5225\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u91cf\uff1a<\/strong>\u4e00\u500b\u6578\u64da\u8868\u53ea\u80fd\u6709\u4e00\u500b\u4e3b\u78bc\uff0c\u4f46\u53ef\u4ee5\u6709\u591a\u500b\u78bc\u3002<\/li>\n<li><strong>\u7a7a\u503c\uff1a<\/strong>\u4e3b\u78bc\u4e0d\u80fd\u70ba\u7a7a\uff0c\u800c\u78bc\u53ef\u4ee5\u5141\u8a31\u7a7a\u503c\u3002<\/li>\n<li><strong>\u7528\u9014\uff1a<\/strong>\u4e3b\u78bc\u4e3b\u8981\u7528\u65bc\u6578\u64da\u5b8c\u6574\u6027\uff0c\u800c\u78bc\u5247\u7528\u65bc\u6578\u64da\u67e5\u8a62\u548c\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a2%bc%e5%92%8c%e4%b8%bb%e7%a2%bc%e7%9a%84%e6%87%89%e7%94%a8-roQqxrYOAW\">\u78bc\u548c\u4e3b\u78bc\u7684\u61c9\u7528<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u78bc\u548c\u4e3b\u78bc\u7684\u8a2d\u8a08\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u6709\u8457\u6df1\u9060\u7684\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u61c9\u7528\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%b8%80%ef%bc%9a%e7%94%a8%e6%88%b6%e6%95%b8%e6%93%9a%e8%a1%a8-roQqxrYOAW\">\u793a\u4f8b\u4e00\uff1a\u7528\u6236\u6578\u64da\u8868<\/h3>\n<pre><code>\nCREATE TABLE Users (\n    UserID INT PRIMARY KEY,\n    Username VARCHAR(50) NOT NULL,\n    Email VARCHAR(100) NOT NULL,\n    UNIQUE (Email)\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0cUserID \u662f\u4e3b\u78bc\uff0c\u552f\u4e00\u6a19\u8b58\u6bcf\u500b\u7528\u6236\u3002Email \u5b57\u6bb5\u5247\u53ef\u4ee5\u4f5c\u70ba\u4e00\u500b\u78bc\uff0c\u56e0\u70ba\u5b83\u4e5f\u9700\u8981\u4fdd\u6301\u552f\u4e00\u6027\uff0c\u4f46\u4e0d\u4f5c\u70ba\u4e3b\u78bc\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%ba%8c%ef%bc%9a%e8%a8%82%e5%96%ae%e6%95%b8%e6%93%9a%e8%a1%a8-roQqxrYOAW\">\u793a\u4f8b\u4e8c\uff1a\u8a02\u55ae\u6578\u64da\u8868<\/h3>\n<pre><code>\nCREATE TABLE Orders (\n    OrderID INT PRIMARY KEY,\n    UserID INT,\n    OrderDate DATETIME,\n    FOREIGN KEY (UserID) REFERENCES Users(UserID)\n);\n<\/code><\/pre>\n<p>\u5728\u8a02\u55ae\u6578\u64da\u8868\u4e2d\uff0cOrderID \u662f\u4e3b\u78bc\uff0c\u552f\u4e00\u6a19\u8b58\u6bcf\u500b\u8a02\u55ae\u3002UserID \u53ef\u4ee5\u4f5c\u70ba\u78bc\uff0c\u56e0\u70ba\u5b83\u7528\u65bc\u95dc\u806f\u7528\u6236\u548c\u8a02\u55ae\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-roQqxrYOAW\">\u7d50\u8ad6<\/h2>\n<p>\u78bc\u548c\u4e3b\u78bc\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u5143\u7d20\u3002\u6b63\u78ba\u7684\u8a2d\u8a08\u548c\u4f7f\u7528\u9019\u4e9b\u6982\u5ff5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9084\u80fd\u63d0\u5347\u67e5\u8a62\u6548\u7387\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\u5c07\u6709\u52a9\u65bc\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u4e2d\u7684\u78bc\u548c\u4e3b\u78bc\uff0c\u4e86\u89e3\u5176\u89e3\u6790\u8207\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u6e96\u78ba\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-187738","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187738","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=187738"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187738\/revisions"}],"predecessor-version":[{"id":187739,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187738\/revisions\/187739"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}