The below code works as desired, as you will notice I switched to DBD:Sybase,

> perl sybase_trial.pl<br>
the file table is there!!!<br>
did succeed. size: 75<br>
did succeed. size: 150<br>
did succeed. size: 300<br>
did succeed. size: 600<br>
did succeed. size: 1200<br>
did succeed. size: 2400<br>
did succeed. size: 4800<br>
did succeed. size: 9600<br>
did succeed. size: 19200<br>
did succeed. size: 38400<br>
did succeed. size: 76800<br>
did succeed. size: 153600<br>
did succeed. size: 307200<br>
did succeed. size: 614400<br>
did succeed. size: 1228800<br>
did succeed. size: 2457600<br>
did succeed. size: 4915200<br>
did succeed. size: 9830400<br>
did succeed. size: 19660800<br>
did succeed. size: 39321600<br>
did succeed. size: 78643200<br>
[download]

> cat sybase_trial.pl
#connect to the database, set some properties
#
$user = "...";
$pass = "...";
$dsn="dbi:Sybase:server=...;database=dbname";
$force= DBI->connect("$dsn",$user,$pass) or die "can't
connect";


$fileTableName="fileTable";
$cmd="SELECT 1 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE' AND TABLE_NAME='$fileTableName\'";
$fetchcmd= $dbh->prepare($cmd);
$fetchcmd->execute();
if(@row= $fetchcmd->fetchrow_array){
print "the file table is there!!!\n";
}else {
$createCmd=$dbh->prepare("create table $fileTableName (fileColumn VARBINARY(MAX) not null)");
$createCmd->execute() or die "can't create table";
$insertCmd=$dbh->prepare("insert into $configTableName (fileColumn) values (?)");
$insertCmd->bind_param(1,0,DBI::SQL_VARBINARY);
$insertCmd->execute();
}
$fetchcmd->finish();


$insertcmd= $dbh-> prepare("insert into $fileTableName (fileColumn) values (CONVERT(varbinary(max),?))");

# 350kBites -> largest number is 2^(8*350000)-1
for($i = 75; $i<2**280000;$i=$i*2){
print"did";
$insert='g'x$i;
$insertcmd->bind_param(1,$insert,DBI::SQL_VARBINARY);
$insertcmd->execute() or print" not ";
$insertcmd->finish();
$sz=length($insert);
print " succeed. size: $sz\n";
}