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I would start by checking out Oracle
Warehouse Builder (OWB) which is supposed to be bundled with Oracle 9iDS. So the
price is right (ie, "free") if you already use 9iDS. Plus, its architecture is
built around Oracle's (PL/SQL procedures; use of AQ; etc)
If that doesn't work, check out products by
Cognos. My direct experience with this is 2-3 years old, but I liked DataStream,
if it's still around. It's not customized for an Oracle database as OWB is, but
it ran quite nicely with Oracle.
People in the Oracle community that I've
talked to tend NOT to be very fond of Informatica. Please, see my next
point:
Be warned, though, fully featured products
to build datamarts can tend to get pricey fairly quickly.
Leslie
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