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Êý¾Ý¿âÉè¼Æ£º
Õâ¸öÊý¾Ý¿âµÄÉè¼Æ»¹ÊÇÂù¼òµ¥µÄ£¬Ëü»ùÓÚNorthwindÊý¾Ý¿âµÄProducts±í¡£ÁíÍâÎÒ»¹ÔÚNorthwindÊý¾Ý¿âÖд´½¨ÁË3¸ö±í¡£ ÏêÇé¿ÉÒÔ¿´Ò»ÏÂÏÂÃæµÄÊý¾Ý¿â¹ØÏµÍ¼¡£
Products_Archive ºÍProducts_LatestÓÐÓëProducts±íÏàͬµÄ½á¹¹£¬¶øProducts_TopSelling±íÔòÓëËüÃDz»Í¬¡£ ÉÔºóÎÒ½«ÔÚ±¾ÎĽâÊÍProducts_TopSelling±íµÄÓÃ;¡£
Products_Archive±í°üº¬770,000ÐС£ Äã²»ÓùÜÕâЩÊý¾ÝÊÇÈçºÎµÃµ½µÄ£¬ÄãÖ»ÐèÒª¿¼ÂÇÈçºÎ°ÑËùÓÐÕâЩÊý¾Ý¸´ÖƵ½Products_Latest±íÀï¡£
´ÓProducts_Archive±í ¸´ÖÆÊý¾Ýµ½ Products_Latest±í£º
SqlBulkCopy °üº¬Ò»¸ö·½·¨ WriteToServer£¬ËüÓÃÀ´´ÓÊý¾ÝµÄÔ´¸´ÖÆÊý¾Ýµ½Êý¾ÝµÄÄ¿µÄµØ¡£ WriteToServer·½·¨¿ÉÒÔ´¦ÀíµÄÊý¾ÝÀàÐÍÓÐDataRow[]Êý×飬DataTable ºÍ DataReader¡£ Äã¿ÉÒÔ¸ù¾Ý²»Í¬µÄÇéÐÎʹÓò»Í¬µÄÊý¾ÝÀàÐÍ£¬µ«ÊǸü¶àʱºòÑ¡ÔñDataReaderÊÇÒ»¸ö±È½ÏºÃµÄÖ÷Òâ¡£ ÕâÊÇÒòΪDataReaderÊÇÒ»¸öÖ»ÏòǰµÄ¡¢Ö»¶ÁµÄÊý¾ÝÁ÷£¬Ëü²»»á±£´æÊý¾Ý£¬ËùÒÔÒª±ÈDataTable ºÍ DataRows[]¶¼Òª¿ì¡£ ÏÂÃæµÄ´úÂëµÄ×÷ÓÃÊǰÑÊý¾Ý´ÓÔ´±í¸´ÖƵ½Ä¿µÄ±í¡£
private static void PerformBulkCopy()
{
string connectionString = @"Server=localhost;Database=Northwind;Trusted_Connection=true";

// Ô´
using (SqlConnection sourceConnection = new SqlConnection(connectionString))
{
SqlCommand myCommand = new SqlCommand("SELECT * from Products_Archive", sourceConnection);
sourceConnection.Open();
SqlDataReader reader = myCommand.ExecuteReader();

// Ä¿µÄ
using (SqlConnection destinationConnection = new SqlConnection(connectionString))
{
// ´ò¿ªÁ¬½Ó
destinationConnection.Open();

using (SqlBulkCopy bulkCopy = new SqlBulkCopy(destinationConnection.ConnectionString))
{
bulkCopy.BatchSize = 500;
bulkCopy.NotifyAfter = 1000;
bulkCo


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