“ORA-01858：创建表时，在找到数字的位置找到了非数字字符”

Question

SQL> create table sales_order(
  2     ono varchar2(6) check(ono like 'o%'),
  3     cno varchar2(6),
  4     orderdate date not null,
  5     deladder varchar2(30),
  6     sno varchar2(6), deltype char(1) check (deltype in('P','F')),
  7     bill char(1),
  8     delydate date CHECK(delydate in('delydate>orderdate')),
  9     orderstatus varchar2(10) check(orderstatus in('inprocess','fullfilled','
backorder',
 10     'cancelled')),
 11     constraint p5 primary key(ono),
 12     constraint f3 foreign key(sno) references salesman_master(sno)
 13     );
create table sales_order(
*
ERROR at line 1:
ORA-01858: a non-numeric character was found where a numeric was expected

Answer 1

您的delydate无效check。它会检查varchar而不是date。

试试这个：

create table ...
add constraint delydate_c CHECK(delydate > orderdate)