create view problem

dear sir,
i am trying to create view with following query

create view salesQ as
select * from sales, customer where sales.customerkey
= customer.customerkey;

it is giving

ERROR:  column "customerkey" duplicated

create view salesQ as
select sales.*, customer.* from sales, customer where
sales.customerkey = customer.customerkey;

also giving same error.
i cannot change field names or specify field names in
view definition because many fields are there in both
tables. how to create this view?

thanks in advance,
-Simon Moses,
Bangalore, India.

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updated: 28 Sep 2004.
Simon Moses
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