what is wrong in my code
SQL> declare
2 mark number :=50;
3 begin
4 mark :=& mark;
5 if (mark between 85 and 100)
6 then
7 dbms_output.put_line('mark is A ');
8 else if (mark between 50 and 65) then
9 dbms_output.put_line('mark is D ');
10 else if (mark between 66 and 75) then
11 dbms_output.put_line('mark is C ');
12 else if (mark between 76 and 84) then
13 dbms_output.put_line('mark is B');
14 else
15 dbms_output.put_line('mark is F');
16 end if;
17 end;
18 /
Enter value for mark: 65
old 4: mark :=& mark;
new 4: mark :=65;
end;
*
ERROR at line 17: ORA-06550: line 17, column 4: PLS-00103: Encountered the symbol ";" when expecting one of the following: if