Hi Aviv !
Thanks for your reply !
Yes , i thought of this "snapshot log" option .
2 problems :
1) performance overhead - for each DML on my table , i have a DML on the
MLOG$_ (snapshot log) table , carried out by a trigger.
2) For each access to the rows in my original table , i need to join with
the MLOG$_ table (in order to filter out the neccessary timestamps) -
another performance overhead.
3) I'm wondering whether this modification time is stored somewhere in the
data dictionary.
Thanks a lot !
-----Original Message-----
Sent: Thursday, August 16, 2001 1:17 PM
To: 'Andrey Bronfin'
create snapshot log
Aviv Cohen
DBA
mailto:[EMAIL PROTECTED]
972-97761395
-----Original Message-----
Sent: Thursday, August 16, 2001 12:14 PM
To: LazyDBA.com Discussion
Dear gurus !
Is there a way to know the time of insert/update for each row in a table ?
Or , which rows in a table were inserted/updated since a certain time.
( Sort of find ... -mtime ... for UNIX files) .
I CAN NOT modify the structure of the table , i.e. i CAN NOT add a
timestamp or other column , just need to deal with what is present.
Thanks a lot for your help !!!
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Author: Andrey Bronfin
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