DBI doesn't support scrollable cursor, if that's what you're looking for. If you want to "walk" on the result set, you may consider using the $dbh->selectall_arrayref() method which returns the whole result set as an array ref of array refs.

use Data::Dumper;

...

$rows = $dbh->selectall_arrayref("SELECT ...");
# the first row:
print Dumper $rows->[0];
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Update: fixed typo