如图16所示，两个示例记录中的批量加载操作结果被发送给拒绝链接，因为它们违反唯一的主键约束。

As shown in Figure 16, the bulk load operation results in two of the sample records being sent to the reject link because they violate the unique primary key constraint.

youdao

BICS规范(包括流行的约束机制)可以在线获得，请参阅参考资料中的链接。

The BICS specifications, which include the popular constraint mechanisms, are available online — see the links in Resources.

youdao

Update 规则控制对由 RI 约束链接的表执行的更新操作的处理方法。

The Update rule controls how update operations performed against tables linked by an RI constraint are processed.

youdao