Re: Left outer join question
От | Raymond O'Donnell |
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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
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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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