PLS-00402: alias required in SELECT list of cursor to avoid duplicate colum

Question

Hello
I need a little help with my PLSQL syntax.
While the SQL in the select statement run well in a report when I change it to PLSQL 'FOR' statement it needs aliias(es).
To that end, I not sure where and how many?
Any help is very welcome
Regards
Pete
Declare
SUPPLIER_CONTACT_REC SUPPLIER_CONTACT%ROWTYPE;
count1 number:=0;
Begin
For SUPPLIER_CONTACT_REC in (select *
from
supplier_contact,
supplier,
city,
province
where
supplier.supplier_key = supplier_contact.supplier_key
and
supplier_contact.EMPLOYEE_EMAIL_ADDRESS is not null
and
city.province_key = province.province_key
and
supplier.city_key = city.city_key
and
rownum <= :P263_ROWNUM
and supplier.country_key > NVL2(:P263_COUNTRY, :P263_COUNTRY - 1, 0 )
and supplier.country_key < NVL2(:P263_COUNTRY, :P263_COUNTRY + 1, 99999999999 )
and city.province_key > NVL2(:P263_PROVINCE, :P263_PROVINCE - 1, 0)
and city.province_key < NVL2(:P263_PROVINCE, :P263_PROVINCE + 1, 99999999999 )
and supplier.city_key > NVL2(:P263_CITY, :P263_CITY - 1, 0 )
and supplier.city_key < NVL2(:P263_CITY, :P263_CITY + 1, 99999999999 )
and supplier.source_key > NVL2(:P263_SOURCE, :P263_SOURCE - 1, 0 )
and supplier.source_key < NVL2(:P263_SOURCE, :P263_SOURCE + 1, 99999999999 )
and supplier.record_status_key > NVL2(:P263_RECORD_STATUS, :P263_RECORD_STATUS -1, 0 )
and supplier.record_status_key < NVL2(:P263_RECORD_STATUS, :P263_RECORD_STATUS + 1, 99999 ))
Loop
count1:= count1 + 1; --- there any more actions in here but trying to keep it simple to start with
end loop;
:P263_count:= count1;
end;
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Answer 1

Your "select *" is the problem as it is trying to get columns from all four tables and some of the column names are the same - at least that's what it look like to me :)
Steve