PL/SQL Packages DBMS_SPACE_ADMIN
Manipulate locally managed tablespaces.
Subprocedures:
SEGMENT_VERIFY Verify the consistency of the extent map of the segment.
SEGMENT_CORRUPT Mark the segment corrupt or valid so that
appropriate error recovery can be done.
SEGMENT_DROP_CORRUPT Drop a segment currently marked corrupt
(without reclaiming space).
SEGMENT_DUMP Dump the segment header and extent map(s) of a given segment.
TABLESPACE_VERIFY Verify that the bitmaps and extent maps for the segments
in the tablespace are in sync.
TABLESPACE_FIX_BITMAPS Mark the appropriate DBA range (extent) as free or
used in bitmap.
TABLESPACE_REBUILD_BITMAPS Rebuild the appropriate bitmap(s).
TABLESPACE_REBUILD_QUOTAS Rebuild quotas for given tablespace.
TABLESPACE_MIGRATE_FROM_LOCAL Migrate a locally-managed tablespace to
dictionary-managed tablespace.
TABLESPACE_MIGRATE_TO_LOCAL Migrate a tablespace from dictionary managed format
to locally managed format.
TABLESPACE_RELOCATE_BITMAPS Relocate the bitmaps to the destination specified.
TABLESPACE_FIX_SEGMENT_STATES Fix the state of the segments in a tablespace
in which migration was aborted.
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
ALTER TABLESPACE