On this pageRESET_GLOBAL_PREF_DEFAULTS The RESET_GLOBAL_PREF_DEFAULTS procedure resets global Prefs to their default values. Syntax DBMS_STATS.RESET_GLOBAL_PREF_DEFAULTS; Example Reset all global Prefs to their default values. CALL DBMS_STATS.RESET_GLOBAL_PREF_DEFAULTS();Query OK, 0 rows affected