Warning: USE THIS AT YOUR OWN RISK.

There is a parameter called _disable_logging and if you set this to TRUE
this will not generate any redo for your application. But the danger in this
is if the instance crashes during the process the database will be in
unusable state.

So the best bet is Have a backup, Set this _disable_logging=TRUE and
Swich the logs twice and run the update. Then you switch the logs again
And set this to false . (You can use this at session level also).

***** This is not SUPPORTED BY ORACLE ******* and
***** The database will not be usable if it crashes during that period****





Best Regards,
K Gopalakrishnan
Bangalore, INDIA
+ (91) 98451 78868

-----Original Message-----
Sent: Saturday, November 03, 2001 9:55 AM
To: Multiple recipients of list ORACLE-L

Hi List,

By any chance is it possible to use "nologging" with UPDATE ??, the reason
is,  there is an update statement within a procedure to update 13 mil rows,
after about 20K rows the procedures freezes or just crawls, asked my DBA
about sufficient Roll backs and he would not speak to me, so can anyof you
help ??

TIA



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