c#测试本机sql运算速度的代码示例分享
using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
namespace ConsoleApplication2
{
class Program
{
static void Main(string[] args)
{
SqlConnection conn = new SqlConnection();
SqlCommand comm = new SqlCommand();
DateTime t1, t2;
int count = 10000; //循环次数
string times;
conn.ConnectionString = "Data Source=.;Initial Catalog=Server;Integrated Security=True";
comm.CommandText = "insert into test (Cid,Cvalue) values('1','1')"; //数据插入
comm.Connection = conn;
Console.WriteLine("开始插入数据\r\n开始时间:" +(t1=DateTime.Now).ToLongTimeString());
try
{
conn.Open();
for (int i = 1; i <= count; i++)
{
comm.ExecuteNonQuery(); //执行查询
}
Console.WriteLine("结束时间:" + (t2 = DateTime.Now).ToLongTimeString());
times = GetTimeSpan(t1, t2).ToString();
Console.WriteLine("持续时间:" + times.Substring(0, times.LastIndexOf(".") + 4));
Console.WriteLine("本次测试总共对数据库进行了" + count + "次数据插入操作!");
//comm.CommandText = "delete from test";
//comm.ExecuteNonQuery();
//Console.WriteLine("测试数据已删除");
}
catch (Exception err)
{
Console.WriteLine(err.Message);
}
finally
{
comm = null;
conn.Close();
conn.Close();
}
Console.ReadKey();
}
/// <summary>
/// 返回两个时间对象的时间间隔
/// </summary>
private static TimeSpan GetTimeSpan(DateTime t1, DateTime t2)
{
DateTime t3;
if (DateTime.Compare(t1, t2) == 1)
{
t3 = t1;
t1 = t2;
t2 = t3;
}
return t2.Subtract(t1);
}
}
}