Oracle deletes a table to generate [BIN $ u6t1yoBPRMiiKu7SiPMIUw ==$ 0]

select * from user_catalog

BIN$u6t1yoBPRMiiKu7SiPMIUw==$0

2. the system automatically rename the deleted table as the name starting with "BIN $ ".
3. Run the show recyclebin command to view the details of the deleted table or query
Select * from recyclebin;
4. Command for table revocation:
Flashback table original table name to before drop;
5. Recycle Bin command:
Purge recyclebin;
6. If the table you do not want to delete is in the recycle bin
Drop table name purge;
Or disable the database recovery function.
In version 10.1, modify the hidden parameter _ recyclebin
Alter system set "_ recyclebin" = false;
In Version 10.2,
Alter system set recyclebin = off;

The above explanation comes from du Niang and has been verified by me. Thank you, du Niang.