Component Data dictionary tables and views

Database V$DATABASE, V$VERSION, V$INSTANCE
Shared server V$QUEUE, V$DISPATCHER, V$SHARED_SERVER
Connection pooling DBA_CPOOL_INFO, V$CPOOL_STAT, V$CPOOL_CC_STATS
Tablespaces USER_FREE_SPACE, DBA_FREE_SPACE, V$TEMPFILE, DBA_USERS, DBA_TS_QUOTAS
Control filesV$CONTROLFILE, V$PARAMETER, V$CONTROLFILE_RECORD_SECTION
DatafilesV$DATAFILE, V$DATAFILE_HEADER, DBA_DATA_FILES, DBA_EXTENTS, USER_EXTENTS
SegmentsDBA_SEGMENTS, USER_SEGMENTS
ExtentsDBA_EXTENTS, USER_EXTENTS
Redo logsV$THREAD, V$LOG, V$LOGFILE, V$LOG_HISTORY
UndoV$UNDOSTAT, V$ROLLSTAT, V$TRANSACTION
Archiving statusV$DATABASE, V$LOG, V$ARCHIVED_LOG, V$ARCHIVE_DEST
Database instanceV$INSTANCE, V$PARAMETER, V$SYSTEM_PARAMETER
Memory structureV$SGA, V$SGASTAT, V$SGAINFO, V$SGA_DYNAMIC_COMPONENTS, V$SGA_DYNAMIC_FREE_
MEMORY, V$SGA_RESIZE_OPS, V$SGA_RESIZE_CURRENT_OPS, V$MEMORY_TARGET_
ADVICE, V$SGA_TARGET_ADVICE, V$PGA_TARGET_ADVICE
Work area memoryV$PGASTAT, V$SYSSTAT
ProcessesV$PROCESS, V$BGPROCESS, V$SESSION
AlertingDBA_THRESHOLDS, DBA_OUTSTANDING_ALERTS, DBA_ALERT_HISTORY, V$ALERT_TYPES,
V$METRIC
Performance monitoringV$LOCK, DBA_LOCK, V$SESSION_WAIT, V$SQLAREA, V$LATCH
RMAN recoveryV$RECOVER_FILE
User passwordsV$PWFILE_USERS
TablesDBA_TABLES, ALL_TABLES, USER_TABLES
IndexesDBA_INDEXES, ALL_INDEXES, USER_INDEXES
Data dictionaryDBA_OBJECTS, ALL_OBJECTS, USER_OBJECTS