Oracle PL/SQL/System Tables Views/V FIXED TABLE

Querying V_$FIXED_TABLE shows internal data dictionary structures.

    
SQL> select name, type
  2    from sys.v_$fixed_table
  3   where type = "TABLE"
  4     and rownum < 6
  5  /

NAME                            TYPE
------------------------------  -----
X$KQFTA                         TABLE
X$KQFVI                         TABLE
X$KQFVT                         TABLE
X$KQFDT                         TABLE
X$KQFCO                         TABLE
5 rows selected.
SQL>