{"id":731946,"date":"2024-07-21T05:04:40","date_gmt":"2024-07-20T21:04:40","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/731946.html"},"modified":"2024-07-21T05:04:43","modified_gmt":"2024-07-20T21:04:43","slug":"sql%e5%a6%82%e4%bd%95%e8%bf%9e%e6%8e%a5%e5%88%b0%e7%9c%8b%e6%9d%bf","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/731946.html","title":{"rendered":"sql\u5982\u4f55\u8fde\u63a5\u5230\u770b\u677f"},"content":{"rendered":"

\"sql\u5982\u4f55\u8fde\u63a5\u5230\u770b\u677f\"<\/p>\n

SQL\u8fde\u63a5\u5230\u770b\u677f\u7684\u6b65\u9aa4\uff1a<\/strong><\/p>\n<\/p>\n

    \n
  1. \u9009\u62e9\u5408\u9002\u7684\u770b\u677f\u5de5\u5177<\/strong>\u3001\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5<\/strong>\u3001\u7f16\u5199SQL\u67e5\u8be2<\/strong>\u3001\u5c06SQL\u67e5\u8be2\u7ed3\u679c\u53ef\u89c6\u5316<\/strong>\u3001\u5b9a\u671f\u66f4\u65b0\u548c\u7ef4\u62a4\u770b\u677f<\/strong>\u3002\u9996\u5148\u9009\u62e9\u4e00\u6b3e\u9002\u5408\u4f60\u7684\u770b\u677f\u5de5\u5177\uff0c\u786e\u4fdd\u5b83\u652f\u6301SQL\u8fde\u63a5\u3002\u7136\u540e\uff0c\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u63d0\u4f9b\u5fc5\u8981\u7684\u8fde\u63a5\u4fe1\u606f\u548c\u51ed\u8bc1\u3002\u63a5\u4e0b\u6765\uff0c\u7f16\u5199SQL\u67e5\u8be2\u4ee5\u63d0\u53d6\u6240\u9700\u7684\u6570\u636e\uff0c\u5e76\u5728\u770b\u677f\u5de5\u5177\u4e2d\u5c06\u67e5\u8be2\u7ed3\u679c\u53ef\u89c6\u5316\u5c55\u793a\u3002\u6700\u540e\uff0c\u5b9a\u671f\u66f4\u65b0\u548c\u7ef4\u62a4\u770b\u677f\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u53ca\u65f6\u6027\u3002\u9009\u62e9\u5408\u9002\u7684\u770b\u677f\u5de5\u5177<\/strong>\u662f\u7b2c\u4e00\u6b65\uff0c\u786e\u4fdd\u4f60\u9009\u62e9\u7684\u5de5\u5177\u80fd\u591f\u6ee1\u8db3\u4f60\u7684\u6570\u636e\u53ef\u89c6\u5316\u9700\u6c42\uff0c\u5e76\u5177\u6709\u826f\u597d\u7684\u7528\u6237\u4f53\u9a8c\u548c\u652f\u6301\u3002<\/li>\n<\/ol>\n
    \n

    \u4e00\u3001\u9009\u62e9\u5408\u9002\u7684\u770b\u677f\u5de5\u5177<\/h3>\n<\/p>\n

    \u9009\u62e9\u4e00\u6b3e\u5408\u9002\u7684\u770b\u677f\u5de5\u5177\u662f\u8fde\u63a5SQL\u6570\u636e\u5e93\u5e76\u8fdb\u884c\u6570\u636e\u53ef\u89c6\u5316\u7684\u7b2c\u4e00\u6b65\u3002\u5e02\u9762\u4e0a\u6709\u8bb8\u591a\u770b\u677f\u5de5\u5177\u53ef\u4f9b\u9009\u62e9\uff0c\u6bcf\u79cd\u5de5\u5177\u90fd\u6709\u5404\u81ea\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n

    1.1\u3001\u5e38\u89c1\u7684\u770b\u677f\u5de5\u5177<\/h4>\n<\/p>\n
      \n
    • Tableau<\/strong>\uff1aTableau\u662f\u4e00\u6b3e\u975e\u5e38\u6d41\u884c\u7684\u6570\u636e\u53ef\u89c6\u5316\u5de5\u5177\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u6e90\u8fde\u63a5\uff0c\u5305\u62ecSQL\u6570\u636e\u5e93\u3002\u5b83\u5177\u6709\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u548c\u53ef\u89c6\u5316\u80fd\u529b\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u8f7b\u677e\u521b\u5efa\u4ea4\u4e92\u5f0f\u7684\u770b\u677f\u3002<\/li>\n
    • Power BI<\/strong>\uff1a\u7531\u5fae\u8f6f\u63a8\u51fa\u7684Power BI\u662f\u4e00\u6b3e\u5f3a\u5927\u7684\u5546\u4e1a\u667a\u80fd\u5de5\u5177\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u6e90\u7684\u8fde\u63a5\u548c\u6570\u636e\u53ef\u89c6\u5316\u3002\u5b83\u4e0eSQL Server\u7b49\u5fae\u8f6f\u751f\u6001\u7cfb\u7edf\u5185\u7684\u4ea7\u54c1\u96c6\u6210\u5ea6\u8f83\u9ad8\uff0c\u975e\u5e38\u9002\u5408\u4f7f\u7528\u5fae\u8f6f\u6280\u672f\u6808\u7684\u7528\u6237\u3002<\/li>\n
    • Metabase<\/strong>\uff1aMetabase\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5546\u4e1a\u667a\u80fd\u5de5\u5177\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u8fde\u63a5\u3002\u5b83\u64cd\u4f5c\u7b80\u5355\uff0c\u9002\u5408\u4e2d\u5c0f\u578b\u4f01\u4e1a\u4f7f\u7528\u3002<\/li>\n
    • Grafana<\/strong>\uff1aGrafana\u4e3b\u8981\u7528\u4e8e\u76d1\u63a7\u548c\u5206\u6790\u65f6\u5e8f\u6570\u636e\uff0c\u4f46\u5b83\u4e5f\u652f\u6301SQL\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5e76\u4e14\u53ef\u4ee5\u521b\u5efa\u4e30\u5bcc\u7684\u53ef\u89c6\u5316\u770b\u677f\u3002<\/li>\n<\/ul>\n

      1.2\u3001\u9009\u62e9\u9002\u5408\u7684\u5de5\u5177<\/h4>\n<\/p>\n

      \u5728\u9009\u62e9\u770b\u677f\u5de5\u5177\u65f6\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u56e0\u7d20\uff1a<\/p>\n<\/p>\n

        \n
      • \u6570\u636e\u6e90\u652f\u6301<\/strong>\uff1a\u786e\u4fdd\u5de5\u5177\u652f\u6301\u8fde\u63a5\u4f60\u4f7f\u7528\u7684SQL\u6570\u636e\u5e93\u3002<\/li>\n
      • \u529f\u80fd\u9700\u6c42<\/strong>\uff1a\u6839\u636e\u4f60\u7684\u6570\u636e\u53ef\u89c6\u5316\u9700\u6c42\uff0c\u9009\u62e9\u529f\u80fd\u6700\u9002\u5408\u7684\u5de5\u5177\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u9700\u8981\u590d\u6742\u7684\u4ea4\u4e92\u5f0f\u770b\u677f\uff0cTableau\u53ef\u80fd\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/li>\n
      • \u7528\u6237\u4f53\u9a8c<\/strong>\uff1a\u5de5\u5177\u7684\u6613\u7528\u6027\u548c\u7528\u6237\u4f53\u9a8c\u4e5f\u975e\u5e38\u91cd\u8981\uff0c\u9009\u62e9\u4e00\u4e2a\u64cd\u4f5c\u7b80\u5355\u3001\u754c\u9762\u53cb\u597d\u7684\u5de5\u5177\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/li>\n
      • \u6210\u672c\u9884\u7b97<\/strong>\uff1a\u6839\u636e\u516c\u53f8\u7684\u9884\u7b97\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\uff0c\u5f00\u6e90\u5de5\u5177\u5982Metabase\u53ef\u80fd\u662f\u4e00\u4e2a\u7ecf\u6d4e\u5b9e\u60e0\u7684\u9009\u62e9\u3002<\/li>\n<\/ul>\n

        \u4e8c\u3001\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5<\/h3>\n<\/p>\n

        \u5728\u9009\u62e9\u597d\u770b\u677f\u5de5\u5177\u540e\uff0c\u4e0b\u4e00\u6b65\u662f\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u3002\u4e0d\u540c\u7684\u770b\u677f\u5de5\u5177\u6709\u4e0d\u540c\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u4f46\u5927\u81f4\u6b65\u9aa4\u76f8\u4f3c\u3002<\/p>\n<\/p>\n

        2.1\u3001\u83b7\u53d6\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f<\/h4>\n<\/p>\n

        \u9996\u5148\uff0c\u4f60\u9700\u8981\u83b7\u53d6\u6570\u636e\u5e93\u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u5305\u62ec\uff1a<\/p>\n<\/p>\n

          \n
        • \u6570\u636e\u5e93\u7c7b\u578b<\/strong>\uff1a\u4f8b\u5982MySQL\u3001PostgreSQL\u3001SQL Server\u7b49\u3002<\/li>\n
        • \u670d\u52a1\u5668\u5730\u5740<\/strong>\uff1a\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684IP\u5730\u5740\u6216\u57df\u540d\u3002<\/li>\n
        • \u7aef\u53e3\u53f7<\/strong>\uff1a\u6570\u636e\u5e93\u670d\u52a1\u4f7f\u7528\u7684\u7aef\u53e3\u53f7\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0bMySQL\u4f7f\u75283306\uff0cPostgreSQL\u4f7f\u75285432\uff0cSQL Server\u4f7f\u75281433\u3002<\/li>\n
        • \u6570\u636e\u5e93\u540d\u79f0<\/strong>\uff1a\u8981\u8fde\u63a5\u7684\u5177\u4f53\u6570\u636e\u5e93\u540d\u79f0\u3002<\/li>\n
        • \u7528\u6237\u540d\u548c\u5bc6\u7801<\/strong>\uff1a\u7528\u4e8e\u8fde\u63a5\u6570\u636e\u5e93\u7684\u51ed\u8bc1\u3002<\/li>\n<\/ul>\n

          2.2\u3001\u5728\u770b\u677f\u5de5\u5177\u4e2d\u914d\u7f6e\u8fde\u63a5<\/h4>\n<\/p>\n

          \u4ee5Tableau\u4e3a\u4f8b\uff0c\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

            \n
          1. \u6253\u5f00Tableau\uff0c\u70b9\u51fb\u201c\u8fde\u63a5\u201d\u9762\u677f\u4e2d\u7684\u201c\u6570\u636e\u5e93\u201d\u3002<\/li>\n
          2. \u9009\u62e9\u8981\u8fde\u63a5\u7684\u6570\u636e\u5e93\u7c7b\u578b\uff0c\u4f8b\u5982MySQL\u3002<\/li>\n
          3. \u5728\u5f39\u51fa\u7684\u8fde\u63a5\u7a97\u53e3\u4e2d\uff0c\u8f93\u5165\u670d\u52a1\u5668\u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001\u6570\u636e\u5e93\u540d\u79f0\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002<\/li>\n
          4. \u70b9\u51fb\u201c\u8fde\u63a5\u201d\u6309\u94ae\uff0cTableau\u4f1a\u5c1d\u8bd5\u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u5982\u679c\u8fde\u63a5\u6210\u529f\uff0c\u4f1a\u663e\u793a\u6570\u636e\u5e93\u4e2d\u7684\u8868\u548c\u89c6\u56fe\u3002<\/li>\n<\/ol>\n

            \u7c7b\u4f3c\u5730\uff0c\u5176\u4ed6\u770b\u677f\u5de5\u5177\u4e5f\u6709\u81ea\u5df1\u7684\u6570\u636e\u5e93\u8fde\u63a5\u914d\u7f6e\u754c\u9762\u548c\u6b65\u9aa4\uff0c\u6309\u7167\u5de5\u5177\u7684\u6587\u6863\u8fdb\u884c\u64cd\u4f5c\u5373\u53ef\u3002<\/p>\n<\/p>\n

            \u4e09\u3001\u7f16\u5199SQL\u67e5\u8be2<\/h3>\n<\/p>\n

            \u914d\u7f6e\u597d\u6570\u636e\u5e93\u8fde\u63a5\u540e\uff0c\u4e0b\u4e00\u6b65\u662f\u7f16\u5199SQL\u67e5\u8be2\uff0c\u4ee5\u63d0\u53d6\u6240\u9700\u7684\u6570\u636e\u3002\u4e0d\u540c\u7684\u770b\u677f\u5de5\u5177\u652f\u6301\u4e0d\u540c\u7a0b\u5ea6\u7684SQL\u67e5\u8be2\u7f16\u5199\uff0c\u6709\u4e9b\u5de5\u5177\u63d0\u4f9b\u4e86\u56fe\u5f62\u5316\u7684\u67e5\u8be2\u754c\u9762\uff0c\u6709\u4e9b\u5219\u9700\u8981\u624b\u52a8\u7f16\u5199SQL\u8bed\u53e5\u3002<\/p>\n<\/p>\n

            3.1\u3001\u7f16\u5199\u57fa\u672cSQL\u67e5\u8be2<\/h4>\n<\/p>\n

            \u4e00\u4e2a\u57fa\u672c\u7684SQL\u67e5\u8be2\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

            SELECT order_id, customer_name, order_date, total_amount<\/p>\n
            FROM orders<\/p>\n
            WHERE order_date BETWEEN '2023-01-01' AND '2023-12-31'<\/p>\n
            ORDER BY order_date;<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u8fd9\u4e2a\u67e5\u8be2\u4eceorders<\/code>\u8868\u4e2d\u63d0\u53d6\u8ba2\u5355ID\u3001\u5ba2\u6237\u540d\u79f0\u3001\u8ba2\u5355\u65e5\u671f\u548c\u603b\u91d1\u989d\uff0c\u7b5b\u9009\u51fa\u65e5\u671f\u57282023\u5e74\u5185\u7684\u8ba2\u5355\uff0c\u5e76\u6309\u8ba2\u5355\u65e5\u671f\u6392\u5e8f\u3002<\/p>\n<\/p>\n
            3.2\u3001\u590d\u6742\u67e5\u8be2\u548c\u6570\u636e\u5904\u7406<\/h4>\n<\/p>\n
            \u6839\u636e\u5b9e\u9645\u9700\u6c42\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u7f16\u5199\u66f4\u590d\u6742\u7684SQL\u67e5\u8be2\uff0c\u5305\u62ec\u591a\u8868\u8054\u63a5\u3001\u805a\u5408\u51fd\u6570\u3001\u5b50\u67e5\u8be2\u7b49\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
            SELECT c.customer_name, SUM(o.total_amount) AS total_spent<\/p>\n
            FROM customers c<\/p>\n
            JOIN orders o ON c.customer_id = o.customer_id<\/p>\n
            WHERE o.order_date BETWEEN '2023-01-01' AND '2023-12-31'<\/p>\n
            GROUP BY c.customer_name<\/p>\n
            ORDER BY total_spent DESC;<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u8fd9\u4e2a\u67e5\u8be2\u4ececustomers<\/code>\u548corders<\/code>\u8868\u4e2d\u63d0\u53d6\u5ba2\u6237\u540d\u79f0\u548c\u603b\u6d88\u8d39\u91d1\u989d\uff0c\u7b5b\u9009\u51fa\u65e5\u671f\u57282023\u5e74\u5185\u7684\u8ba2\u5355\uff0c\u6309\u5ba2\u6237\u5206\u7ec4\u5e76\u8ba1\u7b97\u603b\u6d88\u8d39\u91d1\u989d\uff0c\u6700\u540e\u6309\u603b\u6d88\u8d39\u91d1\u989d\u964d\u5e8f\u6392\u5217\u3002<\/p>\n<\/p>\n
            \u56db\u3001\u5c06SQL\u67e5\u8be2\u7ed3\u679c\u53ef\u89c6\u5316<\/h3>\n<\/p>\n
            \u7f16\u5199\u597dSQL\u67e5\u8be2\u540e\uff0c\u4e0b\u4e00\u6b65\u662f\u5c06\u67e5\u8be2\u7ed3\u679c\u5728\u770b\u677f\u5de5\u5177\u4e2d\u8fdb\u884c\u53ef\u89c6\u5316\u5c55\u793a\u3002\u4e0d\u540c\u7684\u770b\u677f\u5de5\u5177\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u53ef\u89c6\u5316\u9009\u9879\uff0c\u5305\u62ec\u8868\u683c\u3001\u67f1\u72b6\u56fe\u3001\u6298\u7ebf\u56fe\u3001\u997c\u56fe\u7b49\u3002<\/p>\n<\/p>\n
            4.1\u3001\u9009\u62e9\u53ef\u89c6\u5316\u7c7b\u578b<\/h4>\n<\/p>\n
            \u6839\u636e\u6570\u636e\u7684\u7279\u70b9\u548c\u5c55\u793a\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u53ef\u89c6\u5316\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
              \n
            • \u8868\u683c<\/strong>\uff1a\u9002\u5408\u5c55\u793a\u8be6\u7ec6\u7684\u6570\u636e\u4fe1\u606f\u3002<\/li>\n
            • \u67f1\u72b6\u56fe<\/strong>\uff1a\u9002\u5408\u5c55\u793a\u5206\u7c7b\u6570\u636e\u7684\u6bd4\u8f83\u3002<\/li>\n
            • \u6298\u7ebf\u56fe<\/strong>\uff1a\u9002\u5408\u5c55\u793a\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u7684\u8d8b\u52bf\u3002<\/li>\n
            • \u997c\u56fe<\/strong>\uff1a\u9002\u5408\u5c55\u793a\u5206\u7c7b\u6570\u636e\u7684\u5360\u6bd4\u3002<\/li>\n<\/ul>\n
              4.2\u3001\u521b\u5efa\u53ef\u89c6\u5316<\/h4>\n<\/p>\n
              \u4ee5Tableau\u4e3a\u4f8b\uff0c\u521b\u5efa\u53ef\u89c6\u5316\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
                \n
              1. \u5728Tableau\u4e2d\uff0c\u9009\u62e9\u8fde\u63a5\u7684\u6570\u636e\u5e93\u548c\u5bf9\u5e94\u7684\u8868\u6216\u89c6\u56fe\u3002<\/li>\n
              2. \u62d6\u52a8\u5b57\u6bb5\u5230\u201c\u884c\u201d\u548c\u201c\u5217\u201d\u67b6\u6784\u4e2d\uff0c\u751f\u6210\u57fa\u7840\u8868\u683c\u3002<\/li>\n
              3. \u5728\u201c\u6807\u8bb0\u201d\u9762\u677f\u4e2d\u9009\u62e9\u53ef\u89c6\u5316\u7c7b\u578b\uff0c\u4f8b\u5982\u67f1\u72b6\u56fe\u3002<\/li>\n
              4. \u6839\u636e\u9700\u8981\u8c03\u6574\u56fe\u8868\u7684\u5916\u89c2\u548c\u5e03\u5c40\uff0c\u4f8b\u5982\u6dfb\u52a0\u6807\u9898\u3001\u4fee\u6539\u989c\u8272\u3001\u6dfb\u52a0\u6807\u7b7e\u7b49\u3002<\/li>\n<\/ol>\n
                \u5176\u4ed6\u770b\u677f\u5de5\u5177\u7684\u64cd\u4f5c\u6b65\u9aa4\u7c7b\u4f3c\uff0c\u6839\u636e\u5de5\u5177\u7684\u6587\u6863\u8fdb\u884c\u64cd\u4f5c\u5373\u53ef\u3002<\/p>\n<\/p>\n
                \u4e94\u3001\u5b9a\u671f\u66f4\u65b0\u548c\u7ef4\u62a4\u770b\u677f<\/h3>\n<\/p>\n
                \u521b\u5efa\u597d\u770b\u677f\u540e\uff0c\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u53ca\u65f6\u6027\uff0c\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u548c\u7ef4\u62a4\u770b\u677f\u3002\u4e0d\u540c\u7684\u770b\u677f\u5de5\u5177\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u66f4\u65b0\u548c\u7ef4\u62a4\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
                5.1\u3001\u81ea\u52a8\u66f4\u65b0\u6570\u636e<\/h4>\n<\/p>\n
                \u8bb8\u591a\u770b\u677f\u5de5\u5177\u652f\u6301\u81ea\u52a8\u66f4\u65b0\u6570\u636e\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5b9a\u65f6\u4efb\u52a1\uff0c\u5b9a\u671f\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u6700\u65b0\u6570\u636e\u5e76\u5237\u65b0\u770b\u677f\u3002\u4f8b\u5982\uff0cTableau\u548cPower BI\u90fd\u652f\u6301\u8bbe\u7f6e\u6570\u636e\u5237\u65b0\u8ba1\u5212\u3002<\/p>\n<\/p>\n
                5.2\u3001\u76d1\u63a7\u6570\u636e\u8d28\u91cf<\/h4>\n<\/p>\n
                \u5b9a\u671f\u68c0\u67e5\u6570\u636e\u8d28\u91cf\uff0c\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\u3002\u5982\u679c\u53d1\u73b0\u6570\u636e\u9519\u8bef\u6216\u5f02\u5e38\uff0c\u53ca\u65f6\u4fee\u6b63\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u66f4\u65b0\u770b\u677f\u3002<\/p>\n<\/p>\n
                5.3\u3001\u4f18\u5316\u6027\u80fd<\/h4>\n<\/p>\n
                \u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u52a0\uff0c\u770b\u677f\u7684\u52a0\u8f7d\u901f\u5ea6\u53ef\u80fd\u4f1a\u53d8\u6162\u3002\u4e3a\u4e86\u4f18\u5316\u6027\u80fd\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<\/p>\n
                  \n
                • \u4f18\u5316SQL\u67e5\u8be2<\/strong>\uff1a\u7b80\u5316\u67e5\u8be2\u8bed\u53e5\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u548c\u6570\u636e\u4f20\u8f93\u3002<\/li>\n
                • \u4f7f\u7528\u7d22\u5f15<\/strong>\uff1a\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u7d22\u5f15\uff0c\u52a0\u5feb\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n
                • \u5206\u533a\u8868<\/strong>\uff1a\u5c06\u5927\u8868\u5206\u6210\u591a\u4e2a\u5c0f\u8868\uff0c\u51cf\u5c11\u67e5\u8be2\u8303\u56f4\u3002<\/li>\n
                • \u7f13\u5b58\u6570\u636e<\/strong>\uff1a\u5728\u770b\u677f\u5de5\u5177\u4e2d\u4f7f\u7528\u7f13\u5b58\u6280\u672f\uff0c\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u9891\u7e41\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n
                  \u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u4f60\u53ef\u4ee5\u5c06SQL\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u8fde\u63a5\u5230\u770b\u677f\u5de5\u5177\uff0c\u5e76\u8fdb\u884c\u6570\u636e\u53ef\u89c6\u5316\u5c55\u793a\uff0c\u4ece\u800c\u66f4\u597d\u5730\u5206\u6790\u548c\u7ba1\u7406\u6570\u636e\u3002<\/p>\n<\/p>\n
                  \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                  1. \u5982\u4f55\u5728SQL\u4e2d\u8fde\u63a5\u5230\u770b\u677f\uff1f<\/strong><\/p>\n
                  \u5728SQL\u4e2d\u8fde\u63a5\u5230\u770b\u677f\u9700\u8981\u4f7f\u7528\u76f8\u5e94\u7684\u8fde\u63a5\u5de5\u5177\u6216\u8005\u8f6f\u4ef6\u3002\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86\u9002\u5f53\u7684\u8fde\u63a5\u5de5\u5177\uff0c\u4f8b\u5982Tableau\u3001Power BI\u6216\u8005\u5176\u4ed6\u53ef\u89c6\u5316\u5de5\u5177\u3002\u7136\u540e\uff0c\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u64cd\u4f5c\uff1a<\/p>\n
                    \n
                  • \u6253\u5f00\u8fde\u63a5\u5de5\u5177\u5e76\u9009\u62e9\u8fde\u63a5\u7c7b\u578b\u4e3a"\u6570\u636e\u5e93"\u3002<\/li>\n
                  • \u8f93\u5165\u6570\u636e\u5e93\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u4f8b\u5982\u670d\u52a1\u5668\u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001\u6570\u636e\u5e93\u540d\u79f0\u7b49\u3002<\/li>\n
                  • \u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\u6765\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u4ee5\u4fbf\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/li>\n
                  • \u70b9\u51fb\u8fde\u63a5\u6309\u94ae\uff0c\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/li>\n
                  • \u5728\u8fde\u63a5\u6210\u529f\u540e\uff0c\u4f60\u53ef\u4ee5\u5728\u8fde\u63a5\u5de5\u5177\u7684\u754c\u9762\u4e2d\u521b\u5efa\u770b\u677f\uff0c\u5e76\u4f7f\u7528SQL\u67e5\u8be2\u8bed\u8a00\u6765\u63d0\u53d6\u3001\u8f6c\u6362\u548c\u53ef\u89c6\u5316\u6570\u636e\u3002<\/li>\n<\/ul>\n
                    2. \u6211\u5e94\u8be5\u4f7f\u7528\u54ea\u79cd\u8fde\u63a5\u65b9\u5f0f\u6765\u8fde\u63a5SQL\u5230\u770b\u677f\uff1f<\/strong><\/p>\n
                    \u8fde\u63a5SQL\u5230\u770b\u677f\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4f60\u4f7f\u7528\u7684\u8fde\u63a5\u5de5\u5177\u4ee5\u53ca\u6570\u636e\u5e93\u7684\u7c7b\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u8fde\u63a5\u65b9\u5f0f\uff1a<\/p>\n
                      \n
                    • \u76f4\u63a5\u8fde\u63a5\uff1a\u76f4\u63a5\u8fde\u63a5\u662f\u6307\u901a\u8fc7\u8fde\u63a5\u5de5\u5177\u76f4\u63a5\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002\u8fd9\u79cd\u65b9\u5f0f\u901a\u5e38\u9002\u7528\u4e8e\u672c\u5730\u6570\u636e\u5e93\u6216\u8005\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u7684\u8fdc\u7a0b\u6570\u636e\u5e93\u3002<\/li>\n
                    • \u95f4\u63a5\u8fde\u63a5\uff1a\u95f4\u63a5\u8fde\u63a5\u662f\u6307\u901a\u8fc7\u8fde\u63a5\u5de5\u5177\u8fde\u63a5\u5230\u4e00\u4e2a\u4e2d\u95f4\u670d\u52a1\u5668\uff0c\u7136\u540e\u518d\u901a\u8fc7\u8be5\u670d\u52a1\u5668\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002\u8fd9\u79cd\u65b9\u5f0f\u901a\u5e38\u9002\u7528\u4e8e\u9700\u8981\u901a\u8fc7\u5b89\u5168\u901a\u9053\u6216\u8005\u9632\u706b\u5899\u8fde\u63a5\u5230\u6570\u636e\u5e93\u7684\u60c5\u51b5\u3002<\/li>\n
                    • \u4e91\u670d\u52a1\u8fde\u63a5\uff1a\u5982\u679c\u4f60\u7684\u6570\u636e\u5e93\u6258\u7ba1\u5728\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\uff08\u5982AWS\u3001Azure\u3001Google Cloud\u7b49\uff09\u4e0a\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u76f8\u5e94\u7684\u4e91\u670d\u52a1\u8fde\u63a5\u5de5\u5177\u6765\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n
                      3. \u6211\u5982\u4f55\u5728\u770b\u677f\u4e2d\u4f7f\u7528SQL\u67e5\u8be2\u8bed\u8a00\uff1f<\/strong><\/p>\n
                      \u5728\u770b\u677f\u4e2d\u4f7f\u7528SQL\u67e5\u8be2\u8bed\u8a00\u53ef\u4ee5\u5e2e\u52a9\u4f60\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u3001\u8f6c\u6362\u548c\u53ef\u89c6\u5316\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n
                        \n
                      • \u5728\u8fde\u63a5\u5de5\u5177\u7684\u67e5\u8be2\u7f16\u8f91\u5668\u4e2d\u8f93\u5165SQL\u67e5\u8be2\u8bed\u53e5\uff0c\u4f8b\u5982SELECT\u3001JOIN\u3001WHERE\u7b49\uff0c\u4ee5\u83b7\u53d6\u6240\u9700\u7684\u6570\u636e\u3002<\/li>\n
                      • \u4f7f\u7528\u805a\u5408\u51fd\u6570\uff08\u5982SUM\u3001COUNT\u3001AVG\u7b49\uff09\u5bf9\u6570\u636e\u8fdb\u884c\u7edf\u8ba1\u548c\u8ba1\u7b97\u3002<\/li>\n
                      • \u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\uff08\u5982IF\u3001CASE\u7b49\uff09\u6839\u636e\u7279\u5b9a\u7684\u6761\u4ef6\u5bf9\u6570\u636e\u8fdb\u884c\u7b5b\u9009\u548c\u5206\u7c7b\u3002<\/li>\n
                      • \u4f7f\u7528\u6392\u5e8f\u548c\u5206\u7ec4\u8bed\u53e5\uff08\u5982ORDER BY\u3001GROUP BY\u7b49\uff09\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u548c\u5206\u7ec4\u3002<\/li>\n
                      • \u5c06\u67e5\u8be2\u7ed3\u679c\u5bfc\u5165\u5230\u770b\u677f\u4e2d\u7684\u53ef\u89c6\u5316\u7ec4\u4ef6\u4e2d\uff0c\u4f8b\u5982\u56fe\u8868\u3001\u8868\u683c\u3001\u5730\u56fe\u7b49\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u5c55\u793a\u548c\u5206\u6790\u6570\u636e\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"SQL\u8fde\u63a5\u5230\u770b\u677f\u7684\u6b65\u9aa4\uff1a \u9009\u62e9\u5408\u9002\u7684\u770b\u677f\u5de5\u5177\u3001\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u3001\u7f16\u5199SQL\u67e5\u8be2\u3001\u5c06SQL\u67e5\u8be2\u7ed3\u679c\u53ef\u89c6\u5316\u3001\u5b9a\u671f\u66f4\u65b0 […]","protected":false},"author":3,"featured_media":731951,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/731946"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=731946"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/731946\/revisions"}],"predecessor-version":[{"id":731953,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/731946\/revisions\/731953"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/731951"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=731946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=731946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=731946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}