SQL> select * from tab where tname like 'BIN%';

TNAME                          TABTYPE  CLUSTERID
------------------------------ ------- ----------
BIN$0Ly1t0XRSKqt4EEdAoFeng==$0 TABLE
BIN$Mrc63hPKR760/4nZbU0oBA==$0 TABLE
BIN$T9vE4GqBTx6CBKNbtTojFA==$0 TABLE
BIN$TzQJpcN7TcSE+e9r5GGa+A==$0 TABLE
BIN$ztJliaQnREWQFtTwaXhf9w==$0 TABLE

SQL> purge recyclebin;

Recyclebin purged.

SQL> select * from tab where tname like 'BIN%';

no rows selected

SQL>