Re: Conditional JOINs ?

On Mar 19, 2008, at 9:01 AM, Leon Mergen wrote:

> On 3/19/08, Leon Mergen <leon@solatis.com> wrote:
>> Excuse me for bumping this up again, but I still don't understand how
>> to use this approach to sequentially walk through all different child
>> tables in one select, without having to JOIN these tables all the
>> time
>
> Apparently a UNION all solved this problem -- sorry for the noise.

If you have the child tables INHERITing from the parent, then a simple

SELECT parent.* FROM parent;

would be equivalent to manually spelling out a UNION ALL that
explicitly lists all of the tables.

Erik Jones

DBA | Emma®
erik@myemma.com
800.595.4401 or 615.292.5888
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