{"id":150995,"date":"2024-11-01T16:56:26","date_gmt":"2024-11-01T08:56:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/150995\/"},"modified":"2024-11-01T16:56:27","modified_gmt":"2024-11-01T08:56:27","slug":"%e6%8a%8ac-net%e7%a8%8b%e5%ba%8f%e7%a7%bb%e6%a4%8d%e5%88%b0db2%e4%b8%8a%e7%9a%84%e7%b6%93%e9%a9%97%e6%b7%ba%e8%ab%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/150995\/","title":{"rendered":"\u628aC#.NET\u7a0b\u5e8f\u79fb\u690d\u5230DB2\u4e0a\u7684\u7d93\u9a57\u6dfa\u8ac7"},"content":{"rendered":"<h1 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id=\"%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e5%b0%8d%e6%87%89-bMcZqQpBLr\">\u6578\u64da\u985e\u578b\u7684\u5c0d\u61c9<\/h3>\n<p>\u5728C#.NET\u4e2d\uff0c\u5e38\u7528\u7684\u6578\u64da\u985e\u578b\u5982\u6574\u6578\u3001\u6d6e\u9ede\u6578\u548c\u5b57\u7b26\u4e32\u7b49\uff0c\u5728DB2\u4e2d\u4e5f\u6709\u76f8\u61c9\u7684\u5c0d\u61c9\u985e\u578b\u3002\u7136\u800c\uff0c\u67d0\u4e9b\u7279\u5b9a\u7684\u6578\u64da\u985e\u578b\u53ef\u80fd\u9700\u8981\u7279\u5225\u8655\u7406\u3002\u4f8b\u5982\uff0cC#\u4e2d\u7684<code>decimal<\/code>\u985e\u578b\u5728DB2\u4e2d\u5c0d\u61c9\u70ba<code>DECIMAL<\/code>\uff0c\u800c<code>DateTime<\/code>\u5247\u5c0d\u61c9\u70ba<code>TIMESTAMP<\/code>\u3002\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u4ed4\u7d30\u6aa2\u67e5\u9019\u4e9b\u5c0d\u61c9\u95dc\u4fc2\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u3002<\/p>\n<h3 id=\"sql%e8%aa%9e%e5%8f%a5%e7%9a%84%e8%aa%bf%e6%95%b4-bMcZqQpBLr\">SQL\u8a9e\u53e5\u7684\u8abf\u6574<\/h3>\n<p>C#.NET\u61c9\u7528\u7a0b\u5f0f\u4e2d\u4f7f\u7528\u7684SQL\u8a9e\u53e5\u53ef\u80fd\u9700\u8981\u6839\u64daDB2\u7684\u8a9e\u6cd5\u9032\u884c\u8abf\u6574\u3002DB2\u7684SQL\u8a9e\u6cd5\u8207\u5176\u4ed6\u6578\u64da\u5eab\uff08\u5982SQL Server\u6216MySQL\uff09\u5b58\u5728\u4e00\u4e9b\u5dee\u7570\u3002\u4f8b\u5982\uff0cDB2\u4f7f\u7528<code>FETCH FIRST n ROWS ONLY<\/code>\u4f86\u9650\u5236\u67e5\u8a62\u7d50\u679c\u7684\u884c\u6578\uff0c\u800c\u5728SQL Server\u4e2d\u5247\u4f7f\u7528<code>TOP n<\/code>\u3002\u56e0\u6b64\uff0c\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u9010\u4e00\u6aa2\u67e5\u548c\u4fee\u6539SQL\u8a9e\u53e5\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8ado-net%e9%80%a3%e6%8e%a5db2-bMcZqQpBLr\">\u4f7f\u7528ADO.NET\u9023\u63a5DB2<\/h2>\n<p>\u5728C#.NET\u4e2d\uff0c\u4f7f\u7528ADO.NET\u4f86\u9023\u63a5DB2\u6578\u64da\u5eab\u662f\u5e38\u898b\u7684\u505a\u6cd5\u3002\u958b\u767c\u8005\u9700\u8981\u5b89\u88ddIBM\u63d0\u4f9b\u7684DB2 .NET Data Provider\uff0c\u4e26\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u9032\u884c\u76f8\u61c9\u7684\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n<pre><code>using System;\nusing System.Data;\nusing IBM.Data.DB2;\n\nclass Program\n{\n    static void Main()\n    {\n        string connectionString = \"Database=YOUR_DB;User ID=YOUR_USER;Password=YOUR_PASSWORD;Server=YOUR_SERVER;\";\n        using (DB2Connection connection = new DB2Connection(connectionString))\n        {\n            connection.Open();\n            \/\/ \u57f7\u884c\u67e5\u8a62\u6216\u5176\u4ed6\u64cd\u4f5c\n        }\n    }\n}\n<\/code><\/pre>\n<h2 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