$ cat file_01.csv
Prefix,NumberRange,Chargeband
pfx,1,4
$ qs f file_01
SCHEMA: merijn, TABLE: file_01
[/pro/3gl/CPAN/DBD-CSV/sandbox]
select    prefix, numberrange, chargeband
from      file_01
prefix|numberrange|chargeband
------------------------------
pfx   |1          |4
$ cat file_02.csv
Termination,Service,ChargeBand
end,yes,4
$ qs f file_02
SCHEMA: merijn, TABLE: file_02
[/pro/3gl/CPAN/DBD-CSV/sandbox]
select    termination, service, chargeband
from      file_02
termination|service|chargeband
-------------------------------
end        |yes    |4
$