number of errors=0
number of warnings=0
country=CH
Group=chkGrpPostalCode
select distinct admincode1,adminname1 from zip_code where countrycode in ('CH') and admincode1 in (select admincode1 from (select distinct admincode1,adminname1 from zip_code where countrycode in ('CH')) t group by admincode1 having count(*)>1) order by admincode1
admincode1 adminname1