In an attempt to throw the authorities off his trail, systemguards@xxxxxxxxx ("Jaime Casanova") transmitted: > Anyone here knows if exists a data warehouse software that uses > postgresql? if it is open source that will be a plus... There tends to be 3 parts to this... 1. Data storage The RDBMS of your choice... 2. ETL - Loading data into the data store. Often this is a custom application, as it must be attuned to your unique data sources. Bizgres spun off something called KETL; some might consider Perl or Python to be "the ETL software." 3. Query tools The Bizgres guys have put together some tools for this; you may also be able to hook up commercial tools from Cognos and Business Objects and such. Or build your own... -- let name="cbbrowne" and tld="cbbrowne.com" in String.concat "@" [name;tld];; http://linuxdatabases.info/info/lisp.html "Did you ever walk in a room and forget why you walked in? I think that's how dogs spend their lives." -- Sue Murphy