Re: Outer join question?
От | Carol Walter |
---|---|
Тема | Re: Outer join question? |
Дата | |
Msg-id | AAB665AB-E90C-41A6-B65F-D26AA169D07A@indiana.edu обсуждение исходный текст |
Ответ на | Re: Outer join question? (Aurimas Černius <aurisc4@gmail.com>) |
Список | pgsql-novice |
You're right. This did it. Thanks, Carol On Apr 8, 2009, at 9:12 AM, Aurimas Černius wrote: > Hi, > >> I have three tables that create a many-to-many relationship between >> two >> of them. One of them has person data and one of them has contact >> data, >> and, of course, the other is the bridge table. I want to select all >> the >> people in the people table with the last name like Smith and join it >> with their contact information. Sometimes they have no contact >> information, but I want to put them on my list anyway. I typically >> use >> the old syntax of the "where clause" to join tables, so I have two >> questions. Is there a syntax in postgres to do an outer join using >> the >> "where clause" and what would be the correct syntax to join the three >> tables using the newer standard, >> >> SELECT last_name, first_name, contact >> FROM people >> LEFT (or RIGHT) JOIN bridge ON bridge.peopleid = people.peopleid >> JOIN contact ON bridge.contactid = contact.contactid >> WHERE last_name like 'Smi%';? >> >> The above query is incorrect and I can't seem to get the result I'm >> looking for. > > > I think both joins should be LEFT. > > > -- > Aurimas > > -- > Sent via pgsql-novice mailing list (pgsql-novice@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-novice
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