:[EMAIL PROTECTED]]
Sent: 06 December 2001 21:55
To: Multiple recipients of list ORACLE-L
Subject: Datawarehouse Sizes.informal poll.
Informal survey: Datawarehousing.
Limiting Assumption: A necessary and sufficient condition
for defining
something
Dennis, Thanks for the thoughts, the historical snapshot, and for
paying attention to the question. I am on the DW list now, and
will newby-ize them straight away.
- Ross
-Original Message-
Sent: Friday, December 07, 2001 11:16 AM
To: Multiple recipients of list ORACLE-L
Ross -
On Friday 07 December 2001 20:35, Robert Chin wrote:
My short take on this is that a datawarehouse is a OLTP database..
What ??? I think you should keep that short take to yourself for the
benefit of those who are seeking to learn/understand about DWH.
It's not uncommon to find OLTP
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Sent by: Subject: Datawarehouse
Sizes.informal poll.
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om
12/06/01 01:55
PM
I don't think that size has much to do with it. You can have lots of data
but if it's all in a few tables then it doesn't qualify as a datawarehouse
(IMHO).
My short take on this is that a datawarehouse is a OLTP database with
de-normalized data that supports a DSS application.
--
Please see
My short take on this is that a datawarehouse is a OLTP database..
What ??? I think you should keep that short take to yourself for the benefit
of those who are seeking to learn/understand about DWH.
It's not uncommon to find OLTP databases with de-normalized data, and they are
certainly
Informal survey: Datawarehousing.
Limiting Assumption: A necessary and sufficient condition for defining
something
to be a datawarehouse is the amount of data
to be stored.
Question/Poll: Given the above ridiculous constraint, at/above what size
can
--
From: Mohan, Ross[SMTP:[EMAIL PROTECTED]]
Reply To: [EMAIL PROTECTED]
Sent: Thursday, December 06, 2001 2:55 PM
To: Multiple recipients of list ORACLE-L
Subject: Datawarehouse Sizes.informal poll.
Informal survey: Datawarehousing.
Limiting Assumption
to be a warehouse (at only 30 gigs).
x
Barb
--
From: Mohan, Ross[SMTP:[EMAIL PROTECTED]]
Reply To: [EMAIL PROTECTED]
Sent: Thursday, December 06, 2001 2:55 PM
To: Multiple recipients of list ORACLE-L
Subject: Datawarehouse Sizes.informal poll.
Informal
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Sizes.informal poll.
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I, like many others, have a problem with the size is everything
definition. I worked with a 2 TB DSS system six years ago that wasn't
a real data warehouse. And I've seen a true datawarehouse fledgling
that was under 200 GB (with lots of free space).
However, even making the nonsense
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