How to drop a temporary tablespace in Oracle?

To drop an Oracle temporary tablespace, you can follow these steps:

1. Firstly, ensure that no users are currently using the temporary tablespace. You can check by running the following SQL query:
2. Retrieve the usernames that are currently using the TEMP tablespace.
3. If the query result is empty, it means that no users are currently using the temporary tablespace.
4. Next, you need to switch to the sys user or a user with sysdba privileges.
5. Run the following statement to drop the temporary tablespace:
6. Delete the temp tablespace along with all its contents and datafiles.
7. Caution: This will delete the temporary tablespace along with its associated data files. If you only want to delete the temporary tablespace but keep the data files, you can use the following statement:
8. Delete the temp tablespace and keep its datafiles.
9. After executing the delete operation, you can query the v$session table again to confirm that the temporary tablespace has been deleted.
10. Retrieve the usernames from the v$session where the tablespace_name is ‘TEMP’.
11. If the search results are empty, it means the temporary table space has been successfully deleted.

Please note that deleting a temporary tablespace may impact active sessions and ongoing transactions. Before performing the deletion, make sure that there are no active sessions or transactions dependent on the temporary tablespace.