Binh,
I do see stats written for some of the SQL's in the raw trace file, however, there is no row source plans for any of the SQL's in the tkprof output file.
I believe you need to set statistics_level=all in order to get row source execution statistics in STAT lines. By default, statistics_level set to 'typical' value and although rows source execution stats is gathered in v$segstat it doesn't displayed in 10046 trace files. -- Egor http://www.oracledba.ru -- //www.freelists.org/webpage/oracle-l
