On 11/25/05 9:12 PM, "Stephan Szabo" <sszabo@xxxxxxxxxxxxxxxxxxxxx> wrote: > The latter, the row locks before were single owner and were such that a > second lock request for the same row would wait for the first to be > released. Now effectively you have two levels of locks at the row level, > the weaker of which conflicts with the stronger but not with itself. Now I understand. Thanks for clarifying. It sounds like there may be some performance improvements that will be beneficial to us also. Hopefully I can convince them to agree to the 8.1 upgrade. Besides verifying our application, it takes a full weekend to do the dump/load - the database is just under a billion rows. Wes