$dbh2 = DBI->connect($DB_DSN); $dbh3 = DBI->connect($DB_DSN); $dbh4 = DBI->connect($DB_DSN); &open_sql("SELECT Feld32,ID FROM READY2 WHERE bearbeitet is NULL",$DB_DSN); #Start MSSQL while (  $result = $sth->fetchrow_hashref() ) { $x++; $ID=$result->{'ID'}; print "$ID\n"; $sth3 = $dbh3->prepare("UPDATE READY2 SET bearbeitet=1 WHERE ID=$ID"); $sth3->execute; $sth3->finish(); print "erledigt"; exit; } &close_sql; #END MSSQL $dbh2->disconnect(); $dbh3->disconnect(); $dbh4->disconnect();