Oracle 12C -- purge dba_recyclebin

SQL> create user abce identified by abce;

User created.

SQL> grant resource,connect to abce;

Grant succeeded.

SQL> conn abce/abce
Connected.
SQL> purge dba_recyclebin;
purge dba_recyclebin
*
ERROR at line :
ORA-: insufficient privileges

SQL> conn /as sysdba
Connected.
SQL> grant purge dba_recyclebin to abce;

Grant succeeded.

SQL> conn abce/abce
Connected.
SQL> purge dba_recyclebin;

DBA Recyclebin purged.

SQL>