مساعدة

Declare
empname1 varchar2(30)=&a;
empsal1 numver (5,5)=&b;
empname varchar2 (30);
empsal number (5,5);
taxes number (5,5);
money number (5,5);
tota number (8,8);
begin select name,sal,tax,mon,tota1 into empname,empsal,taxes ,money ,tota 
from TABLENAME where name=empname1 and sal=empsal1;
if
taxes=3000 then

DBMS_OUTPUT.PUT_LINE("you are free ");
elsif
taxes=>3000 and taxes<=5000 then
DBMS_OUTPUT.PUT_LINE("you must pay 7%");
elsif
taxes=>7000 and taxes <=10000 then
DBMS_OUTPUT.PUT_LINE("you must pay 10%");
else
DBMS_OUTPUT.PUT_LINE("you must pay 15%);
end if;
end if;
end if;

end;