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RE: What this is?

From: Wolfson Larry - lwolfs <lawrence.wolfson_at_acxiom.com>
Date: Sun, 14 Nov 2004 01:41:39 -0600
Message-ID: <433A07749711884D8032B6A0AB11526204C84DB0@conmsx07.corp.acxiom.net>


Connor, It's 0130 AM here and I'm working on a DB that won't come up after we restarted it after a cold backup. This is after we spent 24 hours recovering it from veritas yesterday. I'm a little (lot) groggy.

        What's the fastest way to unveil the scenario you described below?

	Thanks
	Larry

-----Original Message-----
From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Connor McDonald
Sent: Saturday, November 13, 2004 10:07 PM To: oracle-l_at_freelists.org
Subject: Re: What this is?

Another thing to look for is the (poor) practice of people leaving their check constraints with
auto-generated names (SYS_C....). When you export/import et al, you can get 'n' copies of the
same constraint.

My favourite example is a vendor that once sent us a seed data export dump file with some 300
copies of the same constraint on SYSTEM.DEF$...(something) because they always unload/reloaded
with a FULL=Y. This was picked up because it took longer to import this (virtually empty) table
then any table in the import!

hth
connor



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Received on Sun Nov 14 2004 - 01:38:44 CST

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