SQL>
SQL> SET SERVEROUTPUT ON
SQL> DECLARE
2 v_char VARCHAR2(10);
3 v_number NUMBER(10);
4 BEGIN
5
6 v_char := GREATEST('A', 'B', 'C');
7 v_number := GREATEST(1,2,3);
8
9 DBMS_OUTPUT.PUT_LINE('Greatest Character: '||v_char);
10 DBMS_OUTPUT.PUT_LINE('Greatest Number: '||v_number);
11
12
13 END;
14 /
Greatest Character: C
Greatest Number: 3
PL/SQL procedure successfully completed.
SQL>