On Thu, 11 Mar 2004, Octavio Alvarez wrote:
>
> Hello to everybody.
>
> I ask your help for a severe problem when doing a query that LEFT JOINs
> one table to another ON a field, and then LEFT JOINs again to another
> "instance" of a table ON another field which stores the same entity, but
> with
Hello to everybody.
I ask your help for a severe problem when doing a query that LEFT JOINs
one table to another ON a field, and then LEFT JOINs again to another
"instance" of a table ON another field which stores the same entity, but
with different meaning.
I include 3 EXPLAIN ANALYZEs:
* The f