RE: Which method is more efficient

From: Jamadagni, Rajendra <Rajendra.Jamadagni_at_espn.com>
Date: Thu, 29 May 2003 09:24:43 -0800
Message-ID: <F001.005A5BC1.20030529092443@fatcity.com>

Jared,

Agreed, but what about the resources needs to find _which_ column changed ?? Would that offset the extra redo generated? Heck, I'd just generate the update statements based on two tables to _only_ update the changed columns. It is pretty easy, if both tables have _same_ columns ...

Raj

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Rajendra dot Jamadagni at nospamespn dot com All Views expressed in this email are strictly personal. QOTD: Any clod can have facts, having an opinion is an art !

-----Original Message-----
Sent: Wednesday, May 28, 2003 6:15 PM
To: Multiple recipients of list ORACLE-L

There are easier ways to test redo generation than mucking about with logminer.

Update only the column that changes and check redo generation: 15:06:09 rsysdevdb.radisys.com - jkstill_at_dv01 SQL> @t1

[ much stuff deleted ]

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Author: Jamadagni, Rajendra
  INET: Rajendra.Jamadagni_at_espn.com

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Received on Thu May 29 2003 - 12:24:43 CDT