referential信息详情
adj.有所指的；（与）所指事物（有关）的
Entering data and verifying referential integrity.───输入数据，并确认参照完整性。
no historical records of Homer, and no trustworthy biography of the man exists beyond a few self-referential hints embedded in the texts themselves.───除了作品中包含的一些自我参照的暗示之外，历史上没有关于荷马的记载，也没有该人的可靠传记。
Referential integrity for element relationships───元素关系的引用完整性
And, of course, the most self-referential form of failure is the failure to see when you're failing.───当然，最有自我参考价值的失败就是你自己即将失败而有所不知。
Li: At last, this painting still needs to be represented in the form of oil painting. This one is just a referential sketch.───李：这个最后的话都要用油画来表现出来，这个只是一个参考的一个稿。
The cassion shipping result shows that this method is practicable and has referential value for the similar cassion shipping.───沉箱出运结果表明，这种方法是切实可行的，对类似工程沉箱出运具有参考价值。
A relationship that does not enforce referential integrity appears as a thin line between the common fields supporting the relationship.───不实施参照完整性的关系在支持该关系的公共字段之间显示为细线。
For these design data integrity between tables, collectively referred to as referential integrity.───对于这些设计表间数据的完整性，统称为参照完整性。
The next example shows how check and referential constraints are used in a more complex example.───接下来的例子展示了如何在更复杂的例子中使用检查约束和引用约束。