Max Pool Size 	100 	プール内の最大接続数。
Min Pool Size 	1 	プール内の最小接続数。
static void Main()
{
  OracleConnection con = new OracleConnection();
  //Open a connection using ConnectionString attributes
  //related to connection pooling.
  con.ConnectionString =
    “User Id=scott;Password=tiger;Data Source=oracle;” +
    “Min Pool Size=10;Connection Lifetime=120;Connection Timeout=60;” +
    “Incr Pool Size=5; Decr Pool Size=2”;
  con.Open();
  Console.WriteLine(“Connection pool successfully created”);
  // Close and Dispose OracleConnection object
  con.Close();
  con.Dispose();
  Console.WriteLine(“Connection is placed back into the pool.”);
}