Script for space usage of data files

Script Description: Reports the space usage of data files.

Usage Information: SQLPLUS SYS/pswd

@file_space.sql

column free_space format 99999.99

column all_space format 99999.99

column used_space format 99999.99

column filename format a35

column tsname format a15

column used_pct format 99.99

create or replace view File_free as

select fn.file_id file_id,

sum(fs.bytes)/1000000 free_space

from sys.dba_data_files fn,

sys.dba_free_space fs

where fn.file_id=fs.file_id

group by fn.file_id;

spool C:\file_space.txt;

select fn.file_name filename,

fn.tablespace_name tsname,

ff.free_space free_space,

fn.bytes/1000000 All_space,

fn.bytes/1000000 – ff.free_space used_space,

1 – ff.free_space/(fn.bytes/1000000) used_pct

from sys.dba_data_files fn,

file_free ff

where fn.file_id=ff.file_id

order by filename;

spool off