Novice needs help

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От Terry Lee Tucker
Тема Novice needs help
Дата
Msg-id 3E6E2139.5060903@esc1.com
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Ответы Re: Novice needs help  (Joe Conway <mail@joeconway.com>)
Re: Novice needs help  (jasiek@klaster.net)
Список pgsql-sql
I have loaded over 29,000 customer records into a database. I'm trying 
to apply a referential foreign key that validates the country code and 
the province code in another table. It won't work because somewhere in 
that 29,000 records there is a province code or country code that 
doesn't match. Is there a way to use a select statement to find out 
which customer records has the invalid data? Here is the partial table 
layout:

cust                                                            province
--------                                                 -------
country                      ===>                       country
province                    ===>                       code

Thanks in advance...

-- 
Terry Lee Tucker





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