Datafile need to be removed from 11g1 db

Hi all,
I'm in a situation to remove the wrongly added datafile from the database as the datafile is no longer present at OS/level.
Database mode: archive log enabled.
can I remove the datafile using the below commands?
Difference between the below commands.
ALTER DATABASE DATAFILE <datafile name> OFFLINE DROP
ALTER DATABASE DATAFILE <datafile name> OFFLINE
Need your suggestion.
Thanks.

Hi,
Find out,the datafile belongs to which tablespace. Then,
If a tablespace contains multiple datafiles, and you just want to drop one or some of the datafiles and keep
the remaining datafiles together with the objects and contents, the objects or data must be exported for the
affected table space. Once exported, the tablespace can be dropped with the command
DROP TABLESPACE <tablespace name> INCLUDING CONTENTS AND DATAFILES;
If one or more datafiles is missing after a recovery process or accidental deletion, you can use
ALTER DATABASE DATAFILE <datafile name> OFFLINE DROP
command to make the datafile offline so that database can starts up after which the troubled tablespace can be dropped
Regards,
Jai

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