Hi After investigating a bit more...... It was NOT DBMS_SQLPA problem, the problem is NLS_LANG is different in 11g, once I put same NLS_LANG as 10g the query works fine and picks up the SQL Plan Baseline. It looks like SQL Plan Baselines are associated to NLS_LANG settings? On Tue, Mar 4, 2014 at 3:49 PM, Ls Cheng <exriscer@xxxxxxxxx> wrote: > Found the problem, it seems that running from DBMS_SQLPA baseline cannot > be used for some reason, when running the query manually the baseline is > picked up! > > >