SQL> select banner from v$version;

BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64bi
PL/SQL Release 10.2.0.3.0 - Production
CORE    10.2.0.3.0      Production
TNS for Solaris: Version 10.2.0.3.0 - Production
NLSRTL Version 10.2.0.3.0 - Production

SQL> 

SQL> 
SQL> select text from dba_views where lower(view_name) = 'v$system_event';

no rows selected

SQL> 

SQL> 
SQL> select owner, object_name, object_type from dba_objects where lower(object_name) = 'v$system_event';

OWNER                          OBJECT_NAME          OBJECT_TYPE
------------------------------ -------------------- -------------------
PUBLIC                         V$SYSTEM_EVENT       SYNONYM

SQL> 

SQL> 
SQL> select table_owner, table_name from dba_synonyms where lower(synonym_name)='v$system_event';

TABLE_OWNER                    TABLE_NAME
------------------------------ ------------------------------
SYS                            V_$SYSTEM_EVENT

SQL> 

SQL> 
SQL> select owner, object_type from dba_objects where lower(object_name)='v_$system_event';

OWNER                          OBJECT_TYPE
------------------------------ -------------------
SYS                            VIEW

SQL> 

SQL> 
SQL> select text from dba_views where lower(view_name)='v_$system_event';

TEXT
----------------------------------------------------------------------------------------------------
select "EVENT","TOTAL_WAITS","TOTAL_TIMEOUTS","TIME_WAITED","AVERAGE_WAIT","TIME_WAITED_MICRO","EVEN
T_ID","WAIT_CLASS_ID","WAIT_CLASS#","WAIT_CLASS" from v$system_event


SQL>