Have your database size

March 9, 2007 Charles Collier Database, Oracle Database, 0

If you’d like to know how big your DB is:

select 	FILE_NAME,
d.TABLESPACE_NAME,
d.BYTES datafile_size,
nvl(sum(e.BYTES),0) bytes_used,
round(nvl(sum(e.BYTES),0) / (d.BYTES), 4) * 100 percent_used,
d.BYTES - nvl(sum(e.BYTES),0) bytes_free
from 	DBA_EXTENTS e,
DBA_DATA_FILES d
where  	d.FILE_ID = e.FILE_ID (+)
group  	by FILE_NAME,d.TABLESPACE_NAME, d.FILE_ID, d.BYTES, STATUS
order  	by d.TABLESPACE_NAME,d.FILE_ID

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