Sql Connection打开和关闭 [英] Sql Connection Open and close

问题描述

我有关于sql连接打开和关闭每个记录(1000次)的问题.

有人给我一种最有效的方法

选项1:打开和关闭每个记录的连接

选项2:保持打开所有记录插入的连接

Hi,

I have question regarding sql connection open and close each record (1000 times).

Some one give me an idea which is most efficient way to do

Option 1: Open and close connection for every record

Option 2: keep open the connection for all record insert

public void InsertEmployment(DLAEmployeeExport item, SqlConnection sqlConnection1)
     {
         try
         {
             System.Data.SqlClient.SqlCommand cmd = new System.Data.SqlClient.SqlCommand("InsertEmployment", sqlConnection1);
             cmd.CommandType = System.Data.CommandType.StoredProcedure;
             cmd.Parameters.Add("@BusinessTitle", SqlDbType.Char);
             cmd.Parameters["@BusinessTitle"].Direction = ParameterDirection.Input;
             cmd.Parameters["@BusinessTitle"].Value = item.PositionCategory;
             sqlConnection1.Open();
             cmd.ExecuteNonQuery();
         }
         catch (System.Exception se)
         {
             Console.WriteLine(se.Message);
         }
         finally
         {
             /// if the connection is not null
             if (sqlConnection1 != null)
             {
                 ///check if the connection is open, if so then close it
                 if (sqlConnection1.State == ConnectionState.Open)
                     sqlConnection1.Close();
             }
         }
     }

推荐答案

我认为答案将是显而易见的-将其打开直到完成为止.

我还要看看 http://msdn.microsoft.com /en-us/library/system.data.sqlclient.sqlbulkcopy.aspx [

I''d think the answer would be fairly obvious - keep it open until you''ve finished.

I''d also take a look at http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlbulkcopy.aspx[^] since it sounds like you are doing a bulk update

Best regards
Espen Harlinn

请了解有关连接池 [

Please learn about connection pooling[^]

Open your connection as late as possible, close it as soon as possible. Use a database system that manages an efficient connection pool that will take care of the details of managing the most efficient lifespan of a connection.

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