db_create_file_dest
is not specified and create tablespace
is executed without datafile
clause, the following statement throws the error ORA-02199: missing DATAFILE/TEMPFILE clause. create tablespace ts_xyz;
db_create_file_dest
allows to use the same statement to create a tablespace: alter system set db_create_file_dest='/opt/oracle/oradata/FREE/tq84_pdb_01' scope = both;
alter system set db_create_file_dest = +DATA …;
db_create_file_dest
to a different value than that of db_recovery_file_dest