Using cursor write a pl/sql block to give 5% raise on salary to every employee - DBMS (Cursor)

declare

cursor abc is select * from salary;

rec abc%rowtype;

begin

open abc;

loop

fetch abc into rec;

exit when abc%notfound;

update salary set salary1=(salary1+rec.salary1*0.05) where emp_no=rec.emp_no;          

end loop;

close abc;

end;