永続表領域
一時表領域
select * from dba_data_files;
select * from dba_temp_files;
alter tablespace users add datafile '/oradata/orcl/users02.dbf' size 10M;
alter tablespace users add datafile '/oradata/orcl/users03.dbf' size 10M autoextend on;
alter tablespace temp add tempfile '/oradata/orcl/temp02.dbf' size 10M;