Re: Left outer join question
| От | Raymond O'Donnell |
|---|---|
| Тема | Re: Left outer join question |
| Дата | |
| Msg-id | 48EBFAEA.7010304@iol.ie обсуждение исходный текст |
| Ответ на | Left outer join question ("Bill Reynolds" <Bill.Reynolds@ateb.com>) |
| Ответы |
Re: Left outer join question
|
| Список | pgsql-general |
On 08/10/2008 01:02, Bill Reynolds wrote:
> Is it possible to have a left outer join on 2 tables from the same
> originating table where T1 left outer joins to T2 and T1 left outer
> joins to T3? I guess I'm stuck on the FROM clause syntax or trying to
> do something you just can't do.
Maybe I'm missing something, but it ought to be just:
...from T1
left join T2 on (T1.a_column = T2.a_column)
left join T3 on (T1.another_column = T3.another_column)
etc.
Ray.
------------------------------------------------------------------
Raymond O'Donnell, Director of Music, Galway Cathedral, Ireland
rod@iol.ie
Galway Cathedral Recitals: http://www.galwaycathedral.org/recitals
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