Run ADDM (Automatic Database Diagnostic Monitor) report as normal user
SQL> grant select_catalog_role to akdb;
SQL> grant advisor to akdb;
SQL > @?/rdbms/admin/addmrpt.sql
Categories: Performance-tuning
SQL> grant select_catalog_role to akdb;
SQL> grant advisor to akdb;
SQL > @?/rdbms/admin/addmrpt.sql