$original_tradeTime= qx!kfsql -S SERVER -D big -F e -s , -c \"select top 1 *,convert(datetime,trade_time) from trx where trade_id = 123\"!;
   chomp $original_tradeTime;
   $original_tradeTime =~ s/\"//g;
   print "\noriginal_tradeTime=$original_tradeTime";