# Set all records to be invalid. Only mark them as valid if they appear on the new list.
$sth = $dbh->prepare("update eq_family set valid=0");
$sth->execute or die "-E- DB error: $DBI::errstr\n";
# Set all records to be invalid. Only mark them as valid if they appear on the new list.
$sth = $dbh->prepare("update eq_family set valid=0");
$sth->execute or die "-E- DB error: $DBI::errstr\n";