{"id":162113,"date":"2024-11-04T12:08:23","date_gmt":"2024-11-04T04:08:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162113\/"},"modified":"2024-11-04T12:08:24","modified_gmt":"2024-11-04T04:08:24","slug":"%e6%9e%b6%e6%a7%8b%e5%b8%ab%e5%bf%85%e5%82%99%ef%bc%9a%e5%a4%9a%e7%b6%ad%e5%ba%a6%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%84%aa%e7%a7%80%e5%af%a6%e8%b8%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162113\/","title":{"rendered":"\u67b6\u69cb\u5e2b\u5fc5\u5099\uff1a\u591a\u7dad\u5ea6\u67e5\u8a62\u7684\u512a\u79c0\u5be6\u8e10"},"content":{"rendered":"

\u67b6\u69cb\u5e2b\u5fc5\u5099\uff1a\u591a\u7dad\u5ea6\u67e5\u8a62\u7684\u512a\u79c0\u5be6\u8e10<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u67b6\u69cb\u5e2b\u9762\u81e8\u8457\u8d8a\u4f86\u8d8a\u591a\u7684\u6311\u6230\uff0c\u7279\u5225\u662f\u5728\u8a2d\u8a08\u548c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u67e5\u8a62\u7cfb\u7d71\u6642\u3002\u591a\u7dad\u5ea6\u67e5\u8a62\u4f5c\u70ba\u4e00\u7a2e\u5f37\u5927\u7684\u6578\u64da\u5206\u6790\u6280\u8853\uff0c\u80fd\u5920\u5e6b\u52a9\u67b6\u69cb\u5e2b\u66f4\u597d\u5730\u7406\u89e3\u548c\u5229\u7528\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u591a\u7dad\u5ea6\u67e5\u8a62\u7684\u57fa\u672c\u6982\u5ff5\u3001\u512a\u79c0\u5be6\u8e10\u4ee5\u53ca\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u793a\u4f8b\u3002<\/p>\n

\u591a\u7dad\u5ea6\u67e5\u8a62\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u591a\u7dad\u5ea6\u67e5\u8a62\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\u4ee5\u591a\u500b\u7dad\u5ea6\u9032\u884c\u67e5\u8a62\u7684\u904e\u7a0b\u3002\u9019\u4e9b\u7dad\u5ea6\u53ef\u4ee5\u662f\u6642\u9593\u3001\u5730\u7406\u4f4d\u7f6e\u3001\u7522\u54c1\u985e\u5225\u7b49\u3002\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u5f9e\u4e0d\u540c\u7684\u89d2\u5ea6\u5206\u6790\u6578\u64da\uff0c\u7372\u5f97\u66f4\u6df1\u5165\u7684\u898b\u89e3\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u92b7\u552e\u6578\u64da\u5eab\u4e2d\uff0c\u67b6\u69cb\u5e2b\u53ef\u4ee5\u8a2d\u8a08\u67e5\u8a62\u4f86\u5206\u6790\u67d0\u4e00\u7279\u5b9a\u7522\u54c1\u5728\u4e0d\u540c\u5730\u5340\u548c\u6642\u9593\u6bb5\u7684\u92b7\u552e\u60c5\u6cc1\u3002\u9019\u6a23\u7684\u67e5\u8a62\u4e0d\u50c5\u80fd\u5920\u63d0\u4f9b\u92b7\u552e\u7e3d\u984d\uff0c\u9084\u80fd\u63ed\u793a\u51fa\u54ea\u4e9b\u5730\u5340\u5728\u7279\u5b9a\u6642\u9593\u5167\u8868\u73fe\u6700\u4f73\u3002<\/p>\n

\u512a\u79c0\u5be6\u8e10<\/h2>\n

1. \u8a2d\u8a08\u5408\u7406\u7684\u6578\u64da\u6a21\u578b<\/h3>\n

\u5728\u9032\u884c\u591a\u7dad\u5ea6\u67e5\u8a62\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u5408\u7406\u7684\u6578\u64da\u6a21\u578b\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u661f\u578b\u6a21\u5f0f\u6216\u96ea\u82b1\u578b\u6a21\u5f0f\u7684\u4f7f\u7528\u3002\u661f\u578b\u6a21\u5f0f\u5c07\u4e8b\u52d9\u6578\u64da\u8207\u7dad\u5ea6\u6578\u64da\u5206\u958b\uff0c\u4fbf\u65bc\u67e5\u8a62\u548c\u5206\u6790\uff1b\u800c\u96ea\u82b1\u578b\u6a21\u5f0f\u5247\u9032\u4e00\u6b65\u5c07\u7dad\u5ea6\u6578\u64da\u6b63\u898f\u5316\uff0c\u6e1b\u5c11\u6578\u64da\u5197\u9918\u3002<\/p>\n

-- \u661f\u578b\u6a21\u5f0f\u793a\u4f8b\nCREATE TABLE Sales (\n    SaleID INT PRIMARY KEY,\n    ProductID INT,\n    CustomerID INT,\n    SaleDate DATE,\n    Amount DECIMAL(10, 2)\n);\n\nCREATE TABLE Product (\n    ProductID INT PRIMARY KEY,\n    ProductName VARCHAR(100),\n    CategoryID INT\n);\n\nCREATE TABLE Customer (\n    CustomerID INT PRIMARY KEY,\n    CustomerName VARCHAR(100),\n    Region VARCHAR(50)\n);\n<\/code><\/pre>\n
2. \u4f7f\u7528\u5408\u9069\u7684\u67e5\u8a62\u8a9e\u8a00<\/h3>\n
\u5728\u591a\u7dad\u5ea6\u67e5\u8a62\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u67e5\u8a62\u8a9e\u8a00\u81f3\u95dc\u91cd\u8981\u3002SQL\u662f\u6700\u5e38\u7528\u7684\u67e5\u8a62\u8a9e\u8a00\uff0c\u4f46\u5728\u8655\u7406\u5927\u6578\u64da\u6642\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u4f7f\u7528\u5176\u4ed6\u6280\u8853\uff0c\u5982Apache Hive\u6216Presto\u7b49\u3002\u9019\u4e9b\u6280\u8853\u80fd\u5920\u66f4\u9ad8\u6548\u5730\u8655\u7406\u5927\u898f\u6a21\u6578\u64da\u96c6\u3002<\/p>\n
-- SQL\u67e5\u8a62\u793a\u4f8b\nSELECT \n    P.ProductName, \n    C.Region, \n    SUM(S.Amount) AS TotalSales\nFROM \n    Sales S\nJOIN \n    Product P ON S.ProductID = P.ProductID\nJOIN \n    Customer C ON S.CustomerID = C.CustomerID\nWHERE \n    S.SaleDate BETWEEN '2023-01-01' AND '2023-12-31'\nGROUP BY \n    P.ProductName, C.Region;\n<\/code><\/pre>\n
3. \u512a\u5316\u67e5\u8a62\u6027\u80fd<\/h3>\n
\u67e5\u8a62\u6027\u80fd\u7684\u512a\u5316\u662f\u591a\u7dad\u5ea6\u67e5\u8a62\u6210\u529f\u7684\u95dc\u9375\u3002\u67b6\u69cb\u5e2b\u53ef\u4ee5\u901a\u904e\u5efa\u7acb\u7d22\u5f15\u3001\u5206\u5340\u8868\u548c\u4f7f\u7528\u7de9\u5b58\u6280\u8853\u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7d93\u5e38\u67e5\u8a62\u7684\u5b57\u6bb5\u5efa\u7acb\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\u3002<\/p>\n
\u5be6\u969b\u61c9\u7528\u793a\u4f8b<\/h2>\n
\u5728\u96f6\u552e\u884c\u696d\u4e2d\uff0c\u591a\u7dad\u5ea6\u67e5\u8a62\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u92b7\u552e\u5206\u6790\u3002\u5047\u8a2d\u4e00\u5bb6\u516c\u53f8\u5e0c\u671b\u5206\u6790\u4e0d\u540c\u7522\u54c1\u5728\u5404\u500b\u5730\u5340\u7684\u92b7\u552e\u8868\u73fe\uff0c\u67b6\u69cb\u5e2b\u53ef\u4ee5\u8a2d\u8a08\u4e00\u500b\u591a\u7dad\u5ea6\u6578\u64da\u96c6\uff0c\u4e26\u4f7f\u7528\u4e0a\u8ff0\u67e5\u8a62\u4f86\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u9019\u4e0d\u50c5\u80fd\u5e6b\u52a9\u516c\u53f8\u4e86\u89e3\u5e02\u5834\u8da8\u52e2\uff0c\u9084\u80fd\u6307\u5c0e\u672a\u4f86\u7684\u92b7\u552e\u7b56\u7565\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u591a\u7dad\u5ea6\u67e5\u8a62\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u6578\u64da\u5206\u6790\u5de5\u5177\uff0c\u5c0d\u65bc\u67b6\u69cb\u5e2b\u4f86\u8aaa\uff0c\u638c\u63e1\u5176\u512a\u79c0\u5be6\u8e10\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u6a21\u578b\u8a2d\u8a08\u3001\u9078\u64c7\u5408\u9069\u7684\u67e5\u8a62\u8a9e\u8a00\u4ee5\u53ca\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u67b6\u69cb\u5e2b\u80fd\u5920\u6709\u6548\u5730\u5f9e\u6578\u64da\u4e2d\u63d0\u53d6\u6709\u50f9\u503c\u7684\u898b\u89e3\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u5206\u6790\u9700\u6c42\u7684\u63d0\u5347\uff0c\u9019\u4e9b\u6280\u80fd\u5c07\u8b8a\u5f97\u6108\u52a0\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u696d\u52d9\u4e2d\u5be6\u65bd\u9019\u4e9b\u6280\u8853\u6709\u8208\u8da3\uff0c\u6216\u8005\u9700\u8981\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5206\u6790\u9700\u6c42\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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