The datafiles from a tablespace can not be removed until you drop the entire tablespace. However, one can remove a TEMPFILE from a database without dropping the tablespac
SQL> select
tablespace_name,file_id,bytes_used,bytes_free from v$temp_space_header;
TABLESPACE_NAME FILE_ID BYTES_USED BYTES_FREE
------------------------------ --------- ---------- ----------
TEMP 1 2.147E+09 0
CELLTEMP 2 1048576
1.048E+09
Now let us add a tempfile to TEMP tablespaceSQL>alter tablespace temp add tempfile '/temp/temp01.dbf' size 2048M;
Tablespace altered.