Have to admit, I think this is the first time I've seen this. Anyone know what the [key] differences are (and if it could be impacted by the row lock enqueues that occurred?) Session Flat Profile Event Name % Time Seconds Calls - Time per Call - Avg Min Max SQL*Net message from client 56.5% 2,924.1636s 32,254 0.0907s 0.0001s 5.3796s enq: TX - row lock contention 24.7% 1,279.4271s 2,617 0.4889s 0.2627s 0.4952s SQL*Net message from client [idle] 14.5% 749.2731s 71,415 0.0105s 0.0001s 4.3144s Chris Taylor Oracle DBA Parallon IT&S -- //www.freelists.org/webpage/oracle-l