Asktom http://asktom.oracle.com/pls/apex/f?p=100:11:0::::P11_QUESTION_ID:6407993912330 From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Sanjay Mishra Sent: Thursday, January 21, 2010 1:33 PM To: oracle-l@xxxxxxxxxxxxx Subject: Updating 100 M rows table Can anyone suggest some experience with big updates. I had at table with 30 column (non-Lob or LONG) in 10g and has few indexes. I need to update 20 million Records of 100Million, what is the best appproach. We can use nologging as it is not having any DR associated with it and Database is not in FORCE Logging. TIA Sanjay