SQL>
SQL> set serveroutput on
SQL>
SQL> DECLARE
2 TYPE CharTab IS TABLE OF CHAR(1);
3 v_Characters CharTab :=
4 CharTab('M', 'a', 'd', 'a', 'm', ',', ' ', 'I', '''', 'm', ' ', 'A', 'd', 'a', 'm');
5
6 v_Index INTEGER;
7 BEGIN
8 v_Index := v_Characters.FIRST;
9 WHILE v_Index <= v_Characters.LAST LOOP
10 DBMS_OUTPUT.PUT(v_Characters(v_Index));
11 v_Index := v_Characters.NEXT(v_Index);
12 END LOOP;
13 DBMS_OUTPUT.NEW_LINE;
14
15 v_Index := v_Characters.LAST;
16 WHILE v_Index >= v_Characters.FIRST LOOP
17 DBMS_OUTPUT.PUT(v_Characters(v_Index));
18 v_Index := v_Characters.PRIOR(v_Index);
19 END LOOP;
20 DBMS_OUTPUT.NEW_LINE;
21 END;
22 /
Madam, I'm Adam
madA m'I ,madaM
PL/SQL procedure successfully completed.
SQL>
SQL>