的問題是:列出已經把「八一」 我試過月份前的訂單客戶名稱: SELECT cname
FROM client_master c, sales_orders s
WHERE c.clientno=s.clientno
AND s.orderdate < to_char(orderDate,'mm') ='AUG';
ERROR位於第2行: ORA-00933:SQL命令不能正確地結束 任何
職能是─ Function 1(a in varchar, b in number, c in varchar)
return number as
aaa varchar;
bbb number;
begin
select name into aaa from tb1 where w1;
return aaa;
exception
eee
end;
function 2 (b