Hello together

My ODBC-connection has slown down.
Does anybody know, if systemvariables have affect to the speed of ODBC!
After manipulating with systemvariables my programm slowed down at the point where I call RECORDSET OPEN.

Is there anything which can be manipulted to speed up ODBC??

Thanks for helping
Reini

[CODE]
int _stdcall ask_pps_repl(ch ar TLNR[7]) {...