SQL> select count(*) from dba_recyclebin where can_purge<>'YES';

  COUNT(*)
----------
        70

SQL> select count(*) from dba_recyclebin where can_purge<>'YES';

  COUNT(*)
----------
        70

SQL> select object_name,
       original_name,
       type,
       can_purge
  from user_recyclebin
 where can_purge = 'NO' and object_name in ('SYS_IL0000077384C00003$$', 'SYS_LOB0000077384C00003$$');

OBJECT_NAME                    ORIGINAL_NAME                    TYPE                      CAN
------------------------------ -------------------------------- ------------------------- ---
SYS_IL0000077384C00003$$       SYS_IL0000077384C00003$$         LOB INDEX                 NO
SYS_LOB0000077384C00003$$      SYS_LOB0000077384C00003$$        LOB                       NO

SQL> purge     LOB index  'SYS_IL0000077384C00003$$';
purge     LOB index  'SYS_IL0000077384C00003$$'
          *
ERROR at line 1:
ORA-38302: invalid PURGE option


SQL> purge    lob 'SYS_LOB0000077384C00003$$';
purge    lob 'SYS_LOB0000077384C00003$$'
         *
ERROR at line 1:
ORA-38302: invalid PURGE option


SQL>

purge dba_recyclebin;

SQL> SQL> conn / as sysdba
Connected.
SQL> purge dba_recyclebin;

DBA Recyclebin purged.


SQL> select *  from dba_recyclebin;

no rows selected

SQL>