Find Grade of student in PL/SQL program

Here we will write a PL/SQL program for finding Grade of students using if…elsif…else statement


DECLARE
score Number;
Grade Char(1);
BEGIN
Score:=&Score;
IF Score >= 90 THEN
 Grade := 'A';
ELSIF Score >= 70 THEN
 Grade := 'B';
ELSIF Score >= 60 THEN
 Grade := 'C';
ELSIF Score >= 50 THEN
 Grade := 'D';
ELSE
 Grade := 'E';
END IF;
dbms_output.Put_line('Your Grade is: ' ||Grade);
END;
/

output

Enter value for score: 72
old   5: Score:=&Score;
new   5: Score:=72;
Your Grade is: B