Ow Mun Heng escreveu:
> Can anyone shed some light on this. I just would like to know if queries
> for raw data (not aggregregates) is expected to take a long time.
> Running times between 30 - 2 hours for large dataset pulls.
>
> Involves lots of joins on very large tables (min 1 millon rows each
> table, 300 columns per table)
>
> Joins are done in the form of Left joins (sometimes on the same tables,
> due to normalisation)
>
> Is 30min - 2hours too long or is this considered "normal"??
What do you mean for 'Datawarehouse queries' ?
Is there any OLAP server between youp app and Postrgres?
--
[]´s,
André Volpato
ECOM Tecnologia Ltda
andre.volpato@ecomtecnologia.com.br
(41) 3014 2322
