public void ConnectToOracle(string serverName, string userName, string password)
 {
     _database = new Oracle();
     _database.Connect(serverName, userName, password);
 }
 public void ConnectToMssql(string serverName, string userName, string password, int connectionTimeout)
 {
     _database = new MSSql();
     _database.Connect(serverName, userName, password, connectionTimeout);
 }