Oracle PL/SQL Tutorial/Character String Functions/DUMP

dump(90101,16)

SQL>
SQL>
SQL> select 90101, dump(90101,16) from dual
  2  union all
  3  select 90102, dump(90102,16) from dual
  4  union all
  5  select 90103, dump(90103,16) from dual
  6  /
     90101 DUMP(90101,16)
---------- ---------------------
     90101 Typ=2 Len=4: c3,a,2,2
     90102 Typ=2 Len=4: c3,a,2,3
     90103 Typ=2 Len=4: c3,a,2,4

dump(reverse(90101),16)

SQL>
SQL>
SQL> select 90101, dump(reverse(90101),16) from dual
  2  union all
  3  select 90102, dump(reverse(90102),16) from dual
  4  union all
  5  select 90103, dump(reverse(90103),16) from dual
  6  /
     90101 DUMP(REVERSE(90101),1
---------- ---------------------
     90101 Typ=2 Len=4: 2,2,a,c3
     90102 Typ=2 Len=4: 3,2,a,c3
     90103 Typ=2 Len=4: 4,2,a,c3
SQL>
SQL>