为什么不能创建该表？ SP2-0042

Question

为什么我不能创建这个？我不断收到错误sp2-0042：未知命令“）”

 create table orders
    (
    onum number(4),
    vnum number(4),
    knum number(4),
    bedrag number(8),
    odatum date,
    constraint pk_order PRIMARY KEY (onum),
    constraint fk_order_verk FOREIGN KEY (vnum) references verkopers(vnum),
    constraint fk_order_knum FOREIGN KEY (knum) references klanten(knum),
    constraint ch_bedrag check ( bedrag > 0),
    constraint ch_date check ( odatum < sysdate OR odatum = sysdate)
    );