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RE: Database Outages - Best Practices

From: Ron Rogers <RROGERS_at_galottery.org>
Date: Thu, 17 Feb 2005 14:21:11 -0500
Message-Id: <s214a872.067@gwia.galottery.org>


When I used V7 we had tables for each year of data and then used a view to present the data
to the user. It was easy to delete a years worth of data, Just change the view. Of course it
did not act like partitioning does when a request for data was made. But it did allow for ease
in maintenance and backups.
Ron

>>> "Hollis, Les" <Les.Hollis_at_ps.net> 02/17/2005 9:54:24 AM >>> That would be great IF the client were to pop the bucks for partitioning.

PLUS this is a V7 database I'm talking about here specifically....PLUS it is Oracle Financials which you don't want to muck around with table definition's, etc...AOL doesn't like it PLUS....PLUS......

You have a pretty good understanding of that part of partitioning...but
AGAIN, it is expensive and not all customers/clients are willing to pay
the price

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of david wendelken Sent: Thursday, February 17, 2005 8:30 AM To: oracle-l_at_freelists.org
Subject: RE: Database Outages - Best Practices

>> Table reorgs (Typically after huge deletes as in a table purge..)

>> ...So you purge data, drop a table from 27G to 16G , ...

Aren't huge deletes like this forseeable when the system is built?

If so, couldn't the tables be partitioned according to the criteria for
deletion - such as accounting period, etc.?

I know - not always!=20

But where it could be, the downtime wouldn't be needed at all, would it?

Just drop the partition and be done with it. Or have I misunderstood how partitions work?

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Received on Thu Feb 17 2005 - 14:25:04 CST

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