In the second half of 2000, I participated in an extensive evaluation 
of ETL tools for a large data warehouse.

There were two main players at that time that we considered:

DataStage, owned by Informix, and now part of Ascential software
http://www.ascentialsoftware.com/products/datastage/

Informatica was the other.
http://www.informatica.com/

We looked at some other tools, notably IBM's offerings and
one other that I can't recall.  They didn't make it to the hands
on evaluation stage for a number of reasons.

Informatica and DataStage both appeared to be excellent
tools.  Informatica clearly had a better interface, while DataStage
had a top down methodology that we preferred.

The strength of these tools IMO is that they allow a team to
effectively organize and manage the ETL process and all
of the code that goes with it.

You can do the same thing without these tools, but it will more
difficult to manage.

Tom Cox may have something to add to this, as he was 
leading that evaluation.

Tom?

Jared


"Chuan Zhang" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
01/31/02 02:45 PM
Please respond to ORACLE-L

 
        To:     Multiple recipients of list ORACLE-L 
<[EMAIL PROTECTED]>
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        Subject:        What tools for Oracle  Data Warehouse ETL


Hi, DBA gurus,

 
  I am going to build our data warehousing project. In theory, I am
confident but in reality, .... At this moment, I only have Oracle Data
Warehousing Builder 3i in my hand.   For those have built DW in Oracle,
could you share your experience on the tools to build the data
warehousing especially ETL process? 


Many thanks in advance,

Chuan

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