{"id":185504,"date":"2024-11-10T22:07:22","date_gmt":"2024-11-10T14:07:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185504\/"},"modified":"2024-11-10T22:07:23","modified_gmt":"2024-11-10T14:07:23","slug":"%e4%bd%bf%e7%94%a8%e6%98%93%e8%aa%9e%e8%a8%80%e5%af%a6%e7%8f%be%e8%b6%85%e7%b4%9a%e7%80%8f%e8%a6%bd%e6%a1%86%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%88%86%e5%89%b2%ef%bc%88%e6%98%93%e8%aa%9e%e8%a8%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185504\/","title":{"rendered":"\u4f7f\u7528\u6613\u8a9e\u8a00\u5be6\u73fe\u8d85\u7d1a\u700f\u89bd\u6846\u6578\u64da\u5eab\u7684\u5206\u5272\uff08\u6613\u8a9e\u8a00\u5206\u5272\u8d85\u7d1a\u700f\u89bd\u6846\u7684\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 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id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-caMyxBuTPY\">\u6b65\u9a5f\u4e00\uff1a\u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u6839\u64da\u696d\u52d9\u9700\u6c42\u8a2d\u8a08\u6578\u64da\u5eab\u7684\u7d50\u69cb\u3002\u78ba\u5b9a\u54ea\u4e9b\u6578\u64da\u9700\u8981\u5206\u5272\uff0c\u4e26\u8a2d\u8a08\u76f8\u61c9\u7684\u8868\u683c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u7528\u6236\u6578\u64da\u8868\uff0c\u53ef\u4ee5\u8003\u616e\u6839\u64da\u7528\u6236\u7684\u5730\u5340\u6216\u8a3b\u518a\u6642\u9593\u9032\u884c\u5206\u5272\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e7%b7%a8%e5%af%ab%e5%88%86%e5%89%b2%e4%bb%a3%e7%a2%bc-caMyxBuTPY\">\u6b65\u9a5f\u4e8c\uff1a\u7de8\u5beb\u5206\u5272\u4ee3\u78bc<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u7de8\u5beb\u4ee3\u78bc\u4f86\u5be6\u73fe\u6578\u64da\u7684\u5206\u5272\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n\/\/ \u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7528\u6236\u8868\uff0c\u4e26\u5e0c\u671b\u6839\u64da\u8a3b\u518a\u6642\u9593\u9032\u884c\u5206\u5272\nfunction SplitDatabase()\n{\n    \/\/ \u9023\u63a5\u5230\u539f\u59cb\u6578\u64da\u5eab\n    dbConnection = ConnectToDatabase(\"\u539f\u59cb\u6578\u64da\u5eab\");\n    \n    \/\/ \u67e5\u8a62\u9700\u8981\u5206\u5272\u7684\u6578\u64da\n    query = \"SELECT * FROM Users WHERE RegistrationDate &lt; &#039;2022-01-01&#039;&quot;;\n    resultSet = dbConnection.ExecuteQuery(query);\n    \n    \/\/ \u5c07\u67e5\u8a62\u7d50\u679c\u63d2\u5165\u5230\u65b0\u6578\u64da\u5eab\n    newDbConnection = ConnectToDatabase(&quot;\u65b0\u6578\u64da\u5eab&quot;);\n    while (resultSet.Next())\n    {\n        newDbConnection.Execute(&quot;INSERT INTO Users VALUES (&quot; + resultSet.GetValue(&quot;UserID&quot;) + &quot;, &quot; + resultSet.GetValue(&quot;UserName&quot;) + &quot;, ...)&quot;);\n    }\n    \n    \/\/ \u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\n    dbConnection.Close();\n    newDbConnection.Close();\n}\n<\/code><\/pre>\n<h3 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