To see exceptions generated by using the improper mapping, create a database in the vender software of your choice, then set the current backend ID value as instructed above to the incorrect value.

为了看到使用不正确映射时抛出的异常，需要在您选择的厂商的软件上创建一个数据库，然后根据上面描述的把当前的后端ID设置为不正确的值。

youdao

To see exceptions generated by using the improper mapping, create a database in the vender software of your choice, then set the current backend ID value as instructed above to the incorrect value.

为了看到使用不正确映射时抛出的异常，需要在您选择的厂商的软件上创建一个数据库，然后根据上面描述的把当前的后端ID设置为不正确的值。

youdao