Also see Oracle Data Dictionary, Oracle V$ performance views.
AUD$ AUDIT_ACTIONS CHANGE_SETS CHANGE_SOURCES CHANGE_TABLES CLU$ DATABASE_PROPERTIES DBMS_ALERT_INFO DBMS_LOCK_ALLOCATED DEFCALL DEFCALLDEST DEFDEFAULTDEST DEFERRCOUNT DEFERROR DEFLOB DEFPROPAGATOR DEFSCHEDULE DEFTRAN DUAL FET$ Free Extents Table FGA$ FGA_LOG$ FILE$ GLOBAL_CONTEXT LOADER_COL_INFO LOADER_DIR_OBJS LOADER_OID_INFO PRODUCT_COMPONENT_VERSION PROXY_USERS PROXY_ROLES PROXY_USERS_AND_ROLES PUBLIC_DEPENDENCY REPCAT_GENERATED REPCAT_REPCAT REPCAT_REPCATLOG REPCAT_REPCOLUMN_BASE REPCAT_REPOBJECT REPCAT_REPOBJECT_BASE REPCAT_REPPROP REPCAT_REPSCHEMA REPCAT_REPFLAVOR_COLUMNS RESOURCE_MAP STMT_AUDIT_OPTION_MAP SYSTEM_PRIVILEGE_MAP TABLE_PRIVILEGE_MAP TRUSTED_SERVERS UET$ Used Extents Table UNI_PLUGGABLE_SET_CHECK USTATS$ UTL_RECOMP_ALL_INV UTL_RECOMP_BACKUP_JOBS UTL_RECOMP_COMPILED UTL_RECOMP_INVALID UTL_RECOMP_LOG UTL_RECOMP_SCHEMA_INV UTL_RECOMP_SORTED
This page based on Oracle 9.2