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my $error_sth = $error_db->prepare("SELECT Error_list from error_potra +it WHERE Date='$date' and Type='$type'"); $error_sth->execute() or die $DBI::errstr;
my $error_sth = $error_db->prepare("SELECT Error_list from error_potra +it WHERE Date=? and Type=?"); $error_sth->execute($date, $type) or die $DBI::errstr;