From: | arnaud gaboury <arnaud(dot)gaboury(at)gmail(dot)com> |
---|---|
To: | |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: query from two tables & concat the result |
Date: | 2016-02-03 14:05:48 |
Message-ID: | CAK1hC9v_W=CsUC3wFNkQiceGvjN5Cm5pmBgUxyonUhd8osU3WA@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
>>
>> thetradinghall=> SELECT u.username ||'@'||d.domain as email_address
>> FROM email.mailusers u
>> INNER JOIN
>> email.domainlist d
>> ON
>> (u.domain_id=d.id);
>>
>> email_address
>> -----------------------------------
>> arnaud(dot)gaboury(at)thetradinghall(dot)com
>> (1 row)
>> -------------------------------------
>>
>> As for the cleaning of ID, I dropped id and changed both primary keys.
>> Thank you so much for your prompt answer and help.
In fact I kept the id for table domainlist (changed the name
accordingly your advise). If I remove the id column, I will not be
able anymore to do the above SELECT , no?
The condition (u.domain_id=d.id) will no more be possible.
Am I wrong?
>
> You're very welcome - glad to be able to help.
>
> R.
>
>
> --
> Raymond O'Donnell :: Galway :: Ireland
> rod(at)iol(dot)ie
--
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