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  • 大小: 88.96 KB
    文件類型: .rar
    金幣: 1
    下載: 0 次
    發布日期: 2024-11-08
  • 語言: C#
  • 標簽: C#??sql??批量??數據庫??

資源簡介

C# sql實現批量導入數據到數據庫里面包含普通的方法、SqlBulkCopy方法、使用表值方式(TVP)插入的三種方法。可以測試看出每個方法的運行時間。

資源截圖

代碼片段和文件信息

using?System;
using?System.Diagnostics;
using?System.Data;
using?System.Data.SqlClient;
using?com.DataAccess;
using?DBAccessLib;

namespace?ConsoleAppInsertTest
{
????class?Program
????{
????????static?string?connectionString?=?SqlHelper.ConnectionStringLocalTransaction;????//數據庫連接字符串
????????static?int?count?=?1000000;???????????//插入的條數
????????static?void?Main(string[]?args)
????????{
????????????//long?commonInsertRunTime?=?CommonInsert();
????????????//Console.WriteLine(string.Format(“普通方式插入{1}條數據所用的時間是{0}毫秒“?commonInsertRunTime?count));
????????????Console.WriteLine(“開始插入數據“);
????????????long?sqlBulkCopyInsertRunTime?=?SqlBulkCopyInsert();
????????????Console.WriteLine(string.Format(“使用SqlBulkCopy插入{1}條數據所用的時間是{0}毫秒“?sqlBulkCopyInsertRunTime?count));

????????????long?TVPInsertRunTime?=?TVPInsert();
????????????Console.WriteLine(string.Format(“使用表值方式(TVP)插入{1}條數據所用的時間是{0}毫秒“?TVPInsertRunTime?count));
????????????Console.ReadLine();
????????}

????????///?
????????///?普通調用存儲過程插入數據
????????///?

????????///?
????????private?static?long?CommonInsert()
????????{
????????????Stopwatch?stopwatch?=?new?Stopwatch();
????????????stopwatch.Start();
????????????
????????????string?passportKey;
????????????for?(int?i?=?0;?i?????????????{
????????????????passportKey?=?Guid.NewGuid().ToString();
????????????????SqlParameter[]?sqlParameter?=?{?new?SqlParameter(“@passport“?passportKey)?};
????????????????SqlHelper.ExecuteNonQuery(connectionString?CommandType.StoredProcedure?“CreatePassportWithTVP“?sqlParameter);
????????????}
????????????stopwatch.Stop();
????????????return?stopwatch.ElapsedMilliseconds;
????????}

????????///?
????????///?使用SqlBulkCopy方式插入數據
????????///?

????????///?
????????///?
????????private?static?long?SqlBulkCopyInsert()
????????{
????????????Stopwatch?stopwatch?=?new?Stopwatch();
????????????stopwatch.Start();

????????????DataTable?dataTable?=?GetTableSchema();
????????????string?passportKey;
????????????for?(int?i?=?0;?i?????????????{
????????????????passportKey?=?Guid.NewGuid().ToString();
????????????????DataRow?dataRow?=?dataTable.NewRow();
????????????????dataRow[0]?=?passportKey;
????????????????dataTable.Rows.Add(dataRow);
????????????}

????????????SqlBulkCopy?sqlBulkCopy?=?new?SqlBulkCopy(connectionString);
????????????sqlBulkCopy.DestinationTableName?=?“Passport“;
????????????sqlBulkCopy.BatchSize?=?dataTable.Rows.Count;
????????????SqlConnection?sqlConnection?=?new?SqlConnection(connectionString);
????????????sqlConnection.Open();
????????????if?(dataTable!=null?&&?dataTable.Rows.Count!=0)
????????????{
????????????????sqlBulkCopy.WriteToServer(dataTable);
????????????}
????????????sqlBulkCopy.Close();
????????????sqlConnection.Close();

????????????stopwatch.Stop();
????????????return?stopwatch.Elap

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????257??2011-12-16?14:11??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\App.config

?????文件???????9216??2012-01-09?17:22??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\bin\Debug\ConsoleAppInsertTest.exe

?????文件????????257??2011-12-16?14:11??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\bin\Debug\ConsoleAppInsertTest.exe.config

?????文件??????28160??2012-01-09?17:22??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\bin\Debug\ConsoleAppInsertTest.pdb

?????文件??????14328??2012-01-09?17:22??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\bin\Debug\ConsoleAppInsertTest.vshost.exe

?????文件????????257??2011-12-16?14:11??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\bin\Debug\ConsoleAppInsertTest.vshost.exe.config

?????文件????????490??2007-07-21?01:33??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\bin\Debug\ConsoleAppInsertTest.vshost.exe.manifest

?????文件??????13824??2012-01-09?17:00??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\bin\Debug\DBAccessLib.dll

?????文件??????46592??2012-01-09?17:00??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\bin\Debug\DBAccessLib.pdb

?????文件???????2890??2012-01-09?17:22??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\ConsoleAppInsertTest.csproj

?????文件???????2403??2012-01-09?17:22??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\obj\Debug\ConsoleAppInsertTest.csproj.FileListAbsolute.txt

?????文件???????9216??2012-01-09?17:22??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\obj\Debug\ConsoleAppInsertTest.exe

?????文件??????28160??2012-01-09?17:22??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\obj\Debug\ConsoleAppInsertTest.pdb

?????文件???????3947??2012-01-09?17:22??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\obj\Debug\ResolveAssemblyReference.cache

?????文件???????4476??2012-01-09?17:25??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\Program.cs

?????文件???????1372??2010-03-01?22:43??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\Properties\AssemblyInfo.cs

?????文件??????11805??2011-12-16?11:50??批量導入數據庫(mysql實現)\ConsoleAppInsertTest\SqlHelper.cs

?????文件???????1437??2012-01-09?16:55??批量導入數據庫(mysql實現)\ConsoleAppInsertTest.sln

????..A..H.?????35840??2012-01-09?17:26??批量導入數據庫(mysql實現)\ConsoleAppInsertTest.suo

?????文件??????13824??2012-01-09?17:00??批量導入數據庫(mysql實現)\DBAccessLib\bin\Debug\DBAccessLib.dll

?????文件??????46592??2012-01-09?17:00??批量導入數據庫(mysql實現)\DBAccessLib\bin\Debug\DBAccessLib.pdb

?????文件???????4481??2012-01-09?16:54??批量導入數據庫(mysql實現)\DBAccessLib\DBAccessLib.cs

?????文件???????2900??2012-01-09?17:25??批量導入數據庫(mysql實現)\DBAccessLib\DBAccessLib.csproj

?????文件???????1454??2011-11-01?15:35??批量導入數據庫(mysql實現)\DBAccessLib\Factory.cs

?????文件??????15788??2012-01-09?17:00??批量導入數據庫(mysql實現)\DBAccessLib\MySqlAccess.cs

?????文件????????645??2012-01-09?17:00??批量導入數據庫(mysql實現)\DBAccessLib\obj\Debug\DBAccessLib.csproj.FileListAbsolute.txt

?????文件??????13824??2012-01-09?17:00??批量導入數據庫(mysql實現)\DBAccessLib\obj\Debug\DBAccessLib.dll

?????文件??????46592??2012-01-09?17:00??批量導入數據庫(mysql實現)\DBAccessLib\obj\Debug\DBAccessLib.pdb

?????文件??????15898??2011-11-03?11:32??批量導入數據庫(mysql實現)\DBAccessLib\OracleAccess.cs

?????文件???????1360??2012-01-09?16:54??批量導入數據庫(mysql實現)\DBAccessLib\Properties\AssemblyInfo.cs

............此處省略31個文件信息

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