Columns in triggers

From: Witold Iwaniec <wiwaniec_at_novalistech.com>
Date: Tue, 20 Mar 2001 17:18:48 -0800
Message-ID: <F001.002D24C0.20010320133041@fatcity.com>

Hi all

I would like to create an audit trial for particular tables within Oracle database and thought about using triggers.

I would like to log changes to each column separately. Is it possible to find dynamically name of the columns that were updated?

I guess on INSERT I can check value of each column and if it is not NULL write the log, and on UPDATE I can compare the NEW and OLD values and write the log if different but wonder if there is better/nicer solution.

Thanks

Witold

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Witold Iwaniec
Senior Software Developer
NovaLIS Technologies
wiwaniec_at_novalistech.com
http://www.novalistech.com
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Author: Witold Iwaniec
  INET: wiwaniec_at_novalistech.com

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