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System.ServiceProcess.ServiceController   myController   = 
new   System.ServiceProcess.ServiceController("MSSQL$ACCP4444"); //·þÎñÃû³Æ ÕÒÁ˰ëÌì²ÅÕÒµ½£¬±¿ËÀÎÒÍêÁË¡£ÔÚ·þÎñÉÏÓÒ¼üÊôÐÔ£¬ÄÜ¿´µ½
if (myController.CanStop)
{ }
else
{
   myController.Start();
}
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 sql   = "SELECT column_name, data_type, data_length, nullable";
 sql += " from user_tab_columns ";
 sql += " where table_name='";
 sql += $tableName;
 sql += "'";
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    using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Xml;
using System.Data;
namespace MyDbTest
{
   class Program
   {
      static void Main(string[] args)
      {
         SqlConnection thisConnection = new SqlConnection(
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