PL/SQL-01

create or replace function change_sal (p_job varchar2)

return number 

as v_result number(7,2) ;

begin 

if  p_job = ‘CLERK‘ then v_result := 0.1 ;

elsif p_job = ‘SALESMAN‘ then v_result := 0.15 ;

elsif p_job = ‘MANAGER‘ then v_result := 0.2 ;

end if;

return v_result ;

end;

declare

result number(7,2) := 0 ;

begin

result := change_sal(‘CLERK‘);

DBMS_OUTPUT.PUTON(‘0‘||result);

end;