Thanks, Mark. That seems to be the consensus. ----- Original Message ----- From: mark.powell2@xxxxxx To:"oracle-l@xxxxxxxxxxxxx" Cc: Sent:Mon, 21 May 2012 18:01:00 +0100 Subject:RE: 11gr2 v$access oddity? Because Oracle keeps multiple versions of the statistics in 11.2 (pending, historic) and I believe that Oracle may well be using WMS internally to do this. I do not know this for an absolute fact but from the naming and information posted it is what appears to be taking place. -- //www.freelists.org/webpage/oracle-l