All DBA Views

 DBA Views 

Storage Information

DBA_EXTENTS, DBA_FREE_SPACE, DBA_OBJECTS,

DBA_OBJECT_SIZE, DBA_SEGMENTS, DBA_TABLESPACES,

DBA_ROLLBACK_SEGS, DBA_UNDO_EXTENTS

Operating System

DBA_DATA_FILES, DBA_EXP_FILES, DBA_TEMP_FILES

Privileges

DBA_COL_PRIVS, DBA_PROFILES, DBA_ROLES,

DBA_ROLE_PRIVS, DBA_SYS_PRIVS, DBA_TAB_PRIVS,

DBA_UPDATABLE_COLUMNS

Indexes

DBA_INDEXES, DBA_IND_COLUMNS,

DBA_IND_EXPRESSIONS, DBA_IND_PARTITIONS

Tables/Views

DBA_TABLES, DBA_TAB_COLUMNS, DBA_TAB_PARTITIONS,

DBA_TAB_COMMENTS,

DBA_UNUSED_COL_TABS, DBA_VIEWS

Constraints

DBA_CONSTRAINTS, DBA_CONS_COLUMNS

Triggers

DBA_TRIGGERS, DBA_TRIGGER_COLS,

DBA_INTERNAL_TRIGGERS

Materialized Views

DBA_MVIEW_AGGREGATES, DBA_MVIEW_ANALYSIS,

DBA_MVIEW_DETAIL_RELATIONS, DBA_MVIEW_JOINS,

DBA_MVIEW_KEYS

Partitions

DBA_PART_COL_STATISTICS, DBA_PART_HISTOGRAMS,

DBA_PART_INDEXES, DBA_PART_KEY_COLUMNS,

DBA_PART_LOBS, DBA_PART_TABLES,

DBA_IND_SUBPARTITIONS, DBA_LOB_PARTITIONS,

DBA_LOB_SUBPARTITIONS

Objects, Methods and Types

DBA_OBJECT_TABLES, DBA_METHOD_PARAMS,

DBA_METHOD_RESULTS, DBA_TYPES, DBA_TYPE_ATTRS,

DBA_TYPE_METHODS, DBA_DIMENSIONS, DBA_LOBS

Operators

DBA_OPANCILLARY, DBA_OPARGUMENTS,

DBA_OPBINDINGS, DBA_OPERATORS

Summaries

DBA_SUMMARIES, DBA_SUMMARY_AGGREGATES,

DBA_SUMMARY_DETAIL_TABLES, DBA_SUMMARY_JOINS,

DBA_SUMMARY_KEYS

Miscellaneous

DBA_DB_LINKS, DBA_SOURCE, DBA_SEQUENCES,

DBA_SYNONYMS, DBA_USERS, DBA_OUTLINES,

DBA_JOBS, DBA_JOBS_RUNNING, DBA_LIBRARIES,

DBA_PENDING_TRANSACTIONS, DBA_RULESETS,

DBA_OUTLINE_HINTS, DBA_POLICIES,

DBA_SUBPART_KEY_COLUMNS, DBA_TS_QUOTAS,

DBA_JAVA_POLICY, USER_JAVA_POLICY

Dynamic Performance Views

Instance Level Tuning

v$GLOBAL_TRANSACTION, v$OBJECT_DEPENDENCY,

 v$SHARED_POOL_RESERVED, v$SORT_SEGMENT,

v$SYSTEM_CURSOR_CACHE, v$SORT_USAGE, v$STATNAME,

v$SYSSTAT, v$SYSTEM_EVENT, v$TRANSACTION, v$LATCH,

v$LIBRARYCACHE, v$ROLLSTAT, v$ROWCACHE,

vRSGASTAT, v$SQLAREA, v$SQLTEXT, v$WAITSTAT

Recovery Based Views

v$ARCHIVE, v$ARCHIVE_DEST, v$BACKUP_CORRUPTION,

v$BACKUP_DEVICE, v$BACKUP_REDOLOG,

v$DELETED_OBJECT, v$RECOVERY_LOG, v$RECOVER_FILE,

v$ARCHIVED_LOG, v$BACKUP, v$BACKUP_DATAFILE,

v$BACKUP_PIECE, v$BACKUP_SET,

v$RECOVERY_FILE_STATUS, v$RECOVERY_STATUS,

v$DATABASE_BLOCK_CORRUPTION,

v$DATABASE_INCARNATION

Cache Views

v$CACHE, 

v$LIBRARYCACHE, 

v$SUBCACHE,

v$DB_OBJECT_CACHE, 

v$ROWCACHE

Control File Views

v$CONTROLFILE, 

v$CONTROLFILE_RECORD_SELECTION

Cursor and SQL Views

v$SYSTEM_CURSOR_CACHE, v$OPEN_CURSOR, v$SQLAREA,

v$SQL, v$SQLTEXT, v$SQLTEXT_WITH_NEWLINES,

v$SQL_CURSOR, v$SQL_BIND_METADATA,

v$SQL_SHARED_MEMORY, v$SQL_BIND_DATA,

v$SQL_WORKAREA, v$SQL_WORKAREA_ACTIVE

Security Views

v$ENABLEDPRIVS, v$PWFILE_USERS

Session Views

v$ACCESS, v$MYSTAT, v$PROCESS, v$SESSION ,

v$SESSION_CONNECT_INFO, v$SESSION_CURSOR_CACHE,

v$SESSION_EVENT, v$SESSION_LONGOPS,

v$SESSION_OBJECT_CACHE, v$SESSION_WAIT, v$SESSTAT

(needs v$statname, v$session join), v$SESS_IO

Latch and Lock Views

v$BUFFER_POOL, v$CACHE_LOCK, v$CLASS_PING,

v$DLM_CONVERT_LOCAL, v$DLM_CONVERT_REMOTE,

v$DLM_LATCH, v$DLM_MISC, v$ENQUEUE_LOCK,

v$EVENT_NAME, v$FALSE_PING, v$FILE_PING, v$LATCH,

v$LATCHHOLDER, v$LATCHNAME, v$LATCH_CHILDREN,

v$LATCH_MISSES, v$LATCH_PARENT, v$LOCK,

v$LOCK_ACTIVITY, v$LOCK_ELEMENT, v$LOCKED_OBJECT,

v$LOCKS_WITH_COLLISIONS, v$PING, v$RESOURCE,

v$RESOURCE_LIMIT, v$TRANSACTION_ENQUEUE, v$LOCK

Instance Views

v$ACTIVE_INSTANCES, v$BGPROCESS, v$BH,

v$COMPATIBILITY, v$COMPATSEG, v$COPY_CORRUPTION,

v$DATABASE, v$DATAFILE, v$DATAFILE_COPY,

v$DATAFILE_HEADER, v$DBFILE, v$DBLINK, v$DB_PIPES,

v$INSTANCE, v$LICENSE, v$OFFLINE_RANGE, v$OPTION,

v$ROLLSTAT, v$SGA, v$SGA_STAT, v$TABLESPACE,

v$TRANSACTION, v$UNDOSTAT, v$VERSION

Fixed Views

v$FIXED_TABLE, v$FIXED_VIEW_DEFINITION,

v$INDEXED_FIXED_COLUMN

Miscellaneous Views

v$TIMER, v$TYPE_SIZE, v$SEQUENCES

MTS and Parallel Server Views

v$CIRCUIT, v$DISPATCHER, v$DISPATCHER_RATE, v$MTS,

v$QUEUE, v$REQDIST, v$SHARED_SERVER, v$THREAD

File Mapping

v$MAP_LIBRARY, v$MAP_FILE, v$MAP_FILE_EXTENT,

v$MAP_ELEMENT, v$MAP_EXT_ELEMENT,

v$MAP_SUBELEMENT, v$MAP_COMP_LIST,

v$MAP_FILE_IO_STACK

Thanks

Srini