{"id":60457,"date":"2024-10-13T03:01:16","date_gmt":"2024-10-12T19:01:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60457\/"},"modified":"2024-10-13T03:01:16","modified_gmt":"2024-10-12T19:01:16","slug":"db2%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%b7%a8%e5%af%ab%e6%99%82%e8%a6%81%e7%94%a8%e5%88%b0%e7%9a%84%e4%bb%a3%e7%a2%bc%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60457\/","title":{"rendered":"DB2\u5b58\u5132\u904e\u7a0b\u7de8\u5beb\u6642\u8981\u7528\u5230\u7684\u4ee3\u78bc\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<h1 id=\"db2%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%b7%a8%e5%af%ab%e6%99%82%e8%a6%81%e7%94%a8%e5%88%b0%e7%9a%84%e4%bb%a3%e7%a2%bc%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f-YkQqRliFZZ\">DB2\u5b58\u5132\u904e\u7a0b\u7de8\u5beb\u6642\u8981\u7528\u5230\u7684\u4ee3\u78bc\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002IBM\u7684DB2\u662f\u4e00\u6b3e\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u5b58\u5132\u904e\u7a0b\u662fDB2\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u5141\u8a31\u7528\u6236\u5728\u6578\u64da\u5eab\u4e2d\u57f7\u884c\u4e00\u7cfb\u5217\u7684SQL\u8a9e\u53e5\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728DB2\u5b58\u5132\u904e\u7a0b\u7de8\u5beb\u6642\u6240\u9700\u7684\u4ee3\u78bc\u53ca\u5176\u76f8\u95dc\u6982\u5ff5\u3002<\/p>\n<h2 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id=\"db2%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-YkQqRliFZZ\">DB2\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nCREATE PROCEDURE procedure_name (parameter1 datatype, parameter2 datatype)\nLANGUAGE SQL\nBEGIN\n    -- SQL statements\nEND\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>procedure_name<\/code>\u662f\u5b58\u5132\u904e\u7a0b\u7684\u540d\u7a31\uff0c<code>parameter1<\/code>\u548c<code>parameter2<\/code>\u662f\u50b3\u5165\u7684\u53c3\u6578\uff0c<code>datatype<\/code>\u662f\u53c3\u6578\u7684\u6578\u64da\u985e\u578b\u3002<\/p>\n<h2 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e4%b8%ad%e7%9a%84%e5%b8%b8%e7%94%a8%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-YkQqRliFZZ\">\u5b58\u5132\u904e\u7a0b\u4e2d\u7684\u5e38\u7528\u4ee3\u78bc\u793a\u4f8b<\/h2>\n<h3 id=\"1-%e5%ae%9a%e7%be%a9%e5%8f%83%e6%95%b8-YkQqRliFZZ\">1. 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employees\n    ELSE\n        -- Do something for inactive employees\n    END IF;\nEND\n<\/code><\/pre>\n<h3 id=\"3-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-YkQqRliFZZ\">3. \u932f\u8aa4\u8655\u7406<\/h3>\n<p>\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002DB2\u63d0\u4f9b\u4e86\u689d\u4ef6\u8655\u7406\u4f86\u6355\u7372\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u932f\u8aa4\u8655\u7406\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE PROCEDURE update_employee_salary (IN emp_id INT, IN new_salary DECIMAL(10,2))\nLANGUAGE SQL\nBEGIN\n    DECLARE CONTINUE HANDLER FOR SQLEXCEPTION\n    BEGIN\n        -- Handle the error\n    END;\n\n    UPDATE employees SET salary = new_salary WHERE id = emp_id;\nEND\n<\/code><\/pre>\n<h2 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href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u63a2\u7d22\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> 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