In the accompanying figure, the item marked 1 is the __________ bar.

Discuss the differences between the candidate keys and the primary key of a relation. Explain what is meant by a foreign key. How do foreign keys of relations relate to candidate keys? Give examples to illustrate your answer.

What will be an ideal response?

To permanently restore a hidden object, open the ____ dialog box for the object, and then clear the Hidden check box.

A. Attributes B. Properties C. Control D. Display