{"id":171873,"date":"2024-11-07T08:22:17","date_gmt":"2024-11-07T00:22:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171873\/"},"modified":"2024-11-07T08:22:18","modified_gmt":"2024-11-07T00:22:18","slug":"%e8%bc%95%e9%ac%86%e5%ad%b8%e7%bf%92%ef%bc%9a%e5%a6%82%e4%bd%95%e7%b0%a1%e5%96%ae%e5%9c%b0%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e9%97%9c%e8%81%af-%e5%a6%82%e4%bd%95%e9%97%9c%e8%81%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171873\/","title":{"rendered":"\u8f15\u9b06\u5b78\u7fd2\uff1a\u5982\u4f55\u7c21\u55ae\u5730\u9032\u884c\u6578\u64da\u5eab\u8868\u95dc\u806f (\u5982\u4f55\u95dc\u806f\u6578\u64da\u5eab\u8868)"},"content":{"rendered":"<h1 id=\"%e8%bc%95%e9%ac%86%e5%ad%b8%e7%bf%92%ef%bc%9a%e5%a6%82%e4%bd%95%e7%b0%a1%e5%96%ae%e5%9c%b0%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e9%97%9c%e8%81%af-%e5%a6%82%e4%bd%95%e9%97%9c%e8%81%af-jwzamUZYiB\">\u8f15\u9b06\u5b78\u7fd2\uff1a\u5982\u4f55\u7c21\u55ae\u5730\u9032\u884c\u6578\u64da\u5eab\u8868\u95dc\u806f (\u5982\u4f55\u95dc\u806f\u6578\u64da\u5eab\u8868)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u6578\u64da\u5eab\u8868\u4e4b\u9593\u7684\u95dc\u806f\u6027\u4f7f\u5f97\u6578\u64da\u7684\u7d44\u7e54\u548c\u6aa2\u7d22\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u7c21\u55ae\u5730\u9032\u884c\u6578\u64da\u5eab\u8868\u95dc\u806f\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u9019\u4e00\u91cd\u8981\u6982\u5ff5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e9%97%9c%e8%81%af%ef%bc%9f-jwzamUZYiB\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u8868\u95dc\u806f\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u8868\u95dc\u806f\u662f\u6307\u5728\u4e0d\u540c\u7684\u6578\u64da\u8868\u4e4b\u9593\u5efa\u7acb\u908f\u8f2f\u95dc\u4fc2\uff0c\u4ee5\u4fbf\u80fd\u5920\u6709\u6548\u5730\u5b58\u53d6\u548c\u7ba1\u7406\u6578\u64da\u3002\u9019\u4e9b\u95dc\u806f\u901a\u5e38\u662f\u57fa\u65bc\u67d0\u4e9b\u5171\u540c\u7684\u5b57\u6bb5\uff0c\u4f8b\u5982\u4e3b\u9375\u548c\u5916\u9375\u3002\u901a\u904e\u9019\u4e9b\u95dc\u806f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u67e5\u8a62\u6642\u8f15\u9b06\u5730\u7372\u53d6\u591a\u500b\u8868\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%9a%84%e9%a1%9e%e5%9e%8b-jwzamUZYiB\">\u6578\u64da\u5eab\u8868\u7684\u985e\u578b<\/h2>\n<p>\u5728\u9032\u884c\u8868\u95dc\u806f\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6578\u64da\u5eab\u8868\u7684\u57fa\u672c\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u4e00\u5c0d\u4e00\u95dc\u806f\uff1a<\/strong>\u5728\u9019\u7a2e\u95dc\u806f\u4e2d\uff0c\u8868A\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u5c0d\u61c9\u8868B\u4e2d\u7684\u4e00\u884c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u8005\u548c\u5176\u8a73\u7d30\u8cc7\u6599\u8868\u4e4b\u9593\u7684\u95dc\u806f\u3002<\/li>\n<li><strong>\u4e00\u5c0d\u591a\u95dc\u806f\uff1a<\/strong>\u5728\u9019\u7a2e\u95dc\u806f\u4e2d\uff0c\u8868A\u4e2d\u7684\u4e00\u884c\u53ef\u4ee5\u5c0d\u61c9\u8868B\u4e2d\u7684\u591a\u884c\u3002\u4f8b\u5982\uff0c\u4e00\u500b\u5ba2\u6236\u53ef\u4ee5\u6709\u591a\u500b\u8a02\u55ae\u3002<\/li>\n<li><strong>\u591a\u5c0d\u591a\u95dc\u806f\uff1a<\/strong>\u5728\u9019\u7a2e\u95dc\u806f\u4e2d\uff0c\u8868A\u4e2d\u7684\u591a\u884c\u53ef\u4ee5\u5c0d\u61c9\u8868B\u4e2d\u7684\u591a\u884c\u3002\u901a\u5e38\u9700\u8981\u4e00\u500b\u4e2d\u4ecb\u8868\u4f86\u5be6\u73fe\u9019\u7a2e\u95dc\u806f\uff0c\u4f8b\u5982\u5b78\u751f\u548c\u8ab2\u7a0b\u4e4b\u9593\u7684\u95dc\u806f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e9%97%9c%e8%81%af-jwzamUZYiB\">\u5982\u4f55\u5efa\u7acb\u6578\u64da\u5eab\u8868\u95dc\u806f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5efa\u7acb\u6578\u64da\u5eab\u8868\u95dc\u806f\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-jwzamUZYiB\">1. \u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb<\/h3>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8a2d\u8a08\u6578\u64da\u5eab\u7684\u7d50\u69cb\uff0c\u78ba\u5b9a\u6bcf\u500b\u8868\u7684\u5b57\u6bb5\u53ca\u5176\u6578\u64da\u985e\u578b\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u8868\uff1a<code>Customers<\/code>\uff08\u5ba2\u6236\uff09\u548c<code>Orders<\/code>\uff08\u8a02\u55ae\uff09\u3002<\/p>\n<pre><code>CREATE TABLE Customers (\n    CustomerID INT PRIMARY KEY,\n    CustomerName VARCHAR(100)\n);\n\nCREATE TABLE Orders (\n    OrderID INT PRIMARY KEY,\n    OrderDate DATE,\n    CustomerID INT,\n    FOREIGN KEY (CustomerID) REFERENCES Customers(CustomerID)\n);<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%a4%96%e9%8d%b5%e5%bb%ba%e7%ab%8b%e9%97%9c%e8%81%af-jwzamUZYiB\">2. \u4f7f\u7528\u5916\u9375\u5efa\u7acb\u95dc\u806f<\/h3>\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>Orders<\/code>\u8868\u4e2d\u7684<code>CustomerID<\/code>\u5b57\u6bb5\u662f\u5916\u9375\uff0c\u6307\u5411<code>Customers<\/code>\u8868\u4e2d\u7684<code>CustomerID<\/code>\u5b57\u6bb5\u3002\u9019\u6a23\u5c31\u5efa\u7acb\u4e86\u4e00\u5c0d\u591a\u7684\u95dc\u806f\uff1a\u4e00\u500b\u5ba2\u6236\u53ef\u4ee5\u6709\u591a\u500b\u8a02\u55ae\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e9%97%9c%e8%81%af%e6%95%b8%e6%93%9a-jwzamUZYiB\">3. \u67e5\u8a62\u95dc\u806f\u6578\u64da<\/h3>\n<p>\u4e00\u65e6\u5efa\u7acb\u4e86\u95dc\u806f\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u6aa2\u7d22\u76f8\u95dc\u6578\u64da\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u67e5\u8a62\u6240\u6709\u5ba2\u6236\u53ca\u5176\u8a02\u55ae\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT Customers.CustomerName, Orders.OrderDate\nFROM Customers\nJOIN Orders ON Customers.CustomerID = Orders.CustomerID;<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-jwzamUZYiB\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u8868\u95dc\u806f\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u6548\u7387\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5916\u9375\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u8207\u4e3b\u9375\u5b57\u6bb5\u4e00\u81f4\u3002<\/li>\n<li>\u4f7f\u7528\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5b8c\u6574\u6027\uff0c\u78ba\u4fdd\u95dc\u806f\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 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href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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