# untested

my $query = qq{ INSERT INTO search VALUES (? ?)};
my $sth = $dbh->prepare($query);

# get the list of filenames into an array, or just loop
# though them as you wish. This is just an example

for my $filename (@files) {
    local $/ = undef; # will read the file at once
    open FILE, "< $filename";
    my $text = <FILE>;
    close FILE;
    $sth->execute( $filename, $text);
}