package RECURSION
SQL> create package RECURSION is 2 procedure A(p number); 3 procedure B(p number); 4 end; 5 / SQL> create or replace package body RECURSION is 2 3 procedure A(p number) is 4 begin 5 B(p+1); 6 end; 7 8 procedure B(p number) is 9 begin 10 A(p+1); 11 end; 12 13 end; 14 / Package body created. SQL> SQL>