| From: | Együd Csaba <csegyud(at)freemail(dot)hu> |
|---|---|
| To: | Bruno Wolff III <bruno(at)wolff(dot)to> |
| Cc: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Getting all rows even if not a member of any groups |
| Date: | 2003-06-27 14:18:10 |
| Message-ID: | 00e501c33cb6$f4cc4cd0$230a0a0a@compaq |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-sql |
Bruno,
> Please don't reply to messages to start a new thread.
sorry, I will never do such things in the future.
> select t_productgroups.name as pgroup,
> t_products.id as productid
> from t_products
> left join (t_prod_in_pgr
> join t_productgroups on (t_productgroups.id =
t_prod_in_pgr.productgroupid))
> on (t_products.id=productid)
> order by pgroup, productid;
This is absolutelly what I want, but I can't understand how it is working.
Where can I find a descriptive (tale-like, for kids ... :) ) documentation
about using joins?
Thank you wery mauch.
-- Csaba
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