Analyze segment growth and space requirements.
Subprocedures: UNUSED_SPACE Information about unused space in an object (table, index, or cluster). FREE_BLOCKS Information about free blocks in an object (table, index, or cluster). SPACE_USAGE Information about free blocks in a bitmapped segment.
For full documentation of the packaged procedures above see the Oracle Manual:
"Oracle9i Supplied PL/SQL Packages and Types Reference"
or the book Oracle Built in Packages by Steven Feuerstein et al