nested if plsql]\
declare
a integer := 30;
b integer := 40;
;c integer;
begin
if (a>10) then
dbms_output.put_line(' a is greater than b');
else
c:=a+b;
dbms_output.put_line('sum of number is ' || c);
end if;
dbms_output.put_line('value of a : ' || a);
end