I would like to suggest you retrive all rows of query execute result for one time: 
use DBI;

. . .

my $res = $sth->fetchall_arrayref(); # Returns array ref with all resu
+lt rows which are array refs too.
for my $row (@$res) {
    for my $value (@$row) { print "$value " }
    print "\n";
}

[download]
or 
my $res = $sth->fetchall_arrayref({}); # Returns array ref with result
+ rows which are hash refs.

for my $row (@$res) {
    for my $key (%$row) { print "$$row{$key} " }
    print "\n"; 
}

[download]
      
--------------------------------
SV* sv_bless(SV* sv, HV* stash);

In reply to Re: Hash from DBI by nite_man
in thread [untitled node, ID 254219] by Samn

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