Data corruption repair procedures that enable you to detect and repair corrupt blocks in tables and indexes.
Subprocedures:
ADMIN_TABLES Provides administrative functions for the DBMS_REPAIR
package repair and orphan key tables, including create,
purge, and drop functions.
CHECK_OBJECT Detect and report corruptions in a table or index.
DUMP_ORPHAN_KEYS Report on index entries that point to rows in corrupt
data blocks.
FIX_CORRUPT_BLOCKS Mark blocks as software corrupt that have been previously
detected as corrupt by CHECK_OBJECT.
REBUILD_FREELISTS Rebuild an object's freelists.
SKIP_CORRUPT_BLOCKS Set whether to ignore blocks marked corrupt during table
and index scans or to report ORA-1578 when blocks marked
corrupt are encountered.
SEGMENT_FIX_STATUS Fix the corrupted state of a bitmap entry.
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