From: | Marc André Paquin <web(at)inter-resa(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | 2 tables, joins and same name... |
Date: | 2001-08-30 20:26:18 |
Message-ID: | 3B8EA16A.EE48BAB2@inter-resa.com |
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Thread: | |
Lists: | pgsql-general |
Hello,
Here is 2 tables:
airport
---------
airport_id
name
code
city_id
destination
-----------
destination_id
dest_name
...
airport_dep_id // using airport.airport_id (departure)
airport_arr_id // using airport.airport_id has well (arrival)
I have 2 columns in the second table that uses the same name column in
the first table...
I dont know how to formulate my SQL query... I want to select the
destinations in the destination table with not the ID of each airport
but their names. I can do a join with one but with the second one, I get
no results... And this is confusing!
select dest.dest_name, air.name as airport1, air.name as airport2 from
destination, airport air where dest.airport_dep_id_id=air.airport_id and
dest.airport_arr_id=air.airport_id;
This is not good...
Any help?
Thanks!
--
Marc Andre Paquin
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