I do not know your background, congratulations if you
were able to develop performant mappings. But it's not
the case on most clients I've seen where average
developper were developping with the ETL tool.
I'm sure that an experienced DBA with a good knowledge
of its working environnement and who has always
performance, ease of maintenance and robustness in his
mind, could develop good mappings.
In the real life, the development is done by people
with a medium knowledge of SQL, a weak knowledge of
tuning and the rdbms and with 3-4 years of experience.
Stephane
--- "Khedr, Waleed" <[EMAIL PROTECTED]> a �crit�:
> Actually I do not know what is hard about learning
> Informatica or Sagent!
>
> In my opinion it's a toy.
>
> It's very easy and nothing is difficult to learn.
>
> Sagent is more intuitive than Informatica but
> Informatica engine might be
> more stable.
>
> Regards,
>
> Waleed
>
> -----Original Message-----
> Sent: Friday, July 06, 2001 5:31 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi,
>
> We're currently using Powermart. I'm not developping
> the mappings but I'm checking what the developpers
> are
> doing. I've used Sagent tool a little bit and at a
> client we've developped the ETL tool ourselves.
>
> Powermart is not an easy tool to learn.
>
> At my request, we finally have an Informatica
> consultant in house to look at what we've done so
> far
> (yesterday and today). Like all tools, you can do
> things by yourself but you can't achieve performance
> without an expert.
>
> There are things you want to do in Oracle and not in
> the ETL tool so you have some choices to do. I like
> to
> put some intellingence in the metadata and have the
> programs to act accordingly to what the metadata
> contains. The developpers could not figure out how
> to
> do this, the Informatica consultant will show us
> that
> this afternoon.
>
> So bottom-line, it is not an easy tool to learn.
>
>
> Also, you really need a 21 inches screen to work
> with
> Powermart.
>
> Stephane
>
> --- Larry Elkins <[EMAIL PROTECTED]> a �crit�: >
> Listers,
> >
> > For any of you who use Informatica ETL products
> such
> > as PowerMart and/or
> > PowerCenter, how steep is the learning curve for
> > these products? I know
> > there are lots of variables such as how quickly
> does
> > the person pick up new
> > things, are we talking about learning the basics
> and
> > doing simple tasks, or,
> > doing advanced things, etc. For example, with some
> > products, one can quickly
> > learn to perform basic functions, but, there can
> be
> > a steep learning curve
> > to perform advanced functions.
> >
> > Just curious about the complexity and
> > ease/difficulty of getting up to speed
> > on these tools.
> >
> > Regards,
> >
> > Larry G. Elkins
> > [EMAIL PROTECTED]
> >
> > --
> > Please see the official ORACLE-L FAQ:
> > http://www.orafaq.com
> > --
> > Author: Larry Elkins
> > INET: [EMAIL PROTECTED]
> >
> > Fat City Network Services -- (858) 538-5051
> FAX:
> > (858) 538-5051
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> >
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>
> =====
> St�phane Paquette
> DBA Oracle, consultant entrep�t de donn�es
> Oracle DBA, datawarehouse consultant
> [EMAIL PROTECTED]
>
>
___________________________________________________________
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> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
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> Author: =?iso-8859-1?q?paquette=20stephane?=
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> Author: Khedr, Waleed
> INET: [EMAIL PROTECTED]
>
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=====
St�phane Paquette
DBA Oracle, consultant entrep�t de donn�es
Oracle DBA, datawarehouse consultant
[EMAIL PROTECTED]
___________________________________________________________
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