Select Distinct
SysDate,
s.user# As UserID,
u.name As UserName,
s.ts# As TableSpaceID,
d.tablespace_name As TableSpaceName,
s.FILE# As DataFileID,
d.file_name As DataFileName,
d.bytes As Bytes,
d.maxbytes As MaxBytes,
d.user_bytes As UserBytes,
d.autoextensible As AutoExtensible,
d.increment_by As InCrementBy,
d.status As Status
From sys.seg$ s, sys.user$ u, dba_data_files d
Where s.user# = u.user#
And s.file# = d.file_id;