Find tablespaces that are in backup mode

is already in backup mode. The following script can be used to determine if any of the tablespaces is in backup mode and then you can use the 'alter tablespace end backup' command to bring those tablespaces out of backup mode. The script can also be used as a check after the backup is done to make sure that no tablespaces are in backup mode. It has been tested on Oracle 8.1.7.0.

select distinct tablespace_name
from dba_data_files a, v$backup b
where a.file_id = b.file#
and b.status = 'ACTIVE';

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