Granularity ‘APPROX_GLOBAL AND PARTITION’
The patchset 11.1.0.7 introduces in the package DBMS_STATS a new value for the parameter GRANULARITY.
The description provided by the development team in $ORACLE_HOME/rdbms/admin/dbmsstat.sql is the following:
'APPROX_GLOBAL AND PARTITION' - This option is similar to
'GLOBAL AND PARTITION'. But the global statistics are aggregated
from partition level statistics. It will aggregate [...]
Lesen Sie den vollständigen Eintrag unter http://antognini.ch/2008/10/granularity-approx_global-and-partition/