How about 
use DBI;
use strict;

my $dbh = DBI->connect('dbi:Oracle:dev', 'myUser', 'myPass') ||
    die "Cannot connect to database\n", $DBI::Errstr;

my $sth = $dbh->prepare("select * from emp"); 
$sth->execute || die "failed to execute:\n ", $DBI::Errstr;

open (FH, ">c:/temp/out.csv") || die "Cannot open file\n";
while (my @row = $sth->fetchrow_array) {
    print FH join(', ', @row), "\n";
}
close FH;
$dbh->disconnect;

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This is a trvial solution. It won't handle commas in your data which may need to be wrapped in quotes or escaped

In reply to Re: save the result of sql query in csv file by astroboy
in thread save the result of sql query in csv file by shilpam

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