I searched (probably on wrong words) didn't return anything useful as I could see, can you show me a url? ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Khedr, Waleed Sent: 02 June 2004 14:10 To: oracle-l@xxxxxxxxxxxxx Subject: RE: library cache lock The metalink has answers for similar issues. -----Original Message----- From: David Sharples [mailto:dsharples@xxxxxxxxxxxxxxxxxxxxx] Sent: Wednesday, June 02, 2004 8:44 AM To: oracle-l@xxxxxxxxxxxxx Subject: library cache lock Hi, got a strange problem. I am trying to truncate a partition in a table, but it just hangs forever, it is waiting on a library cache lock. Anyone know why and how I can clear it - flushing the shared pool didn't help and there are no other sessions touching that table. Thanks Dave