What constitutes identity for a compact disc? In other words, when you look at a list of compact discs, how do you know that two items in the list are actually the same compact disc? On the face of it, the disc title seems as if it might be a good candi- date. Unfortunately, different bands can have albums with the same title. In fact, you probably use a combination of the artist name and disc title to distinguish among dif- ferent discs. The artist and title in our CD entity are considered identifying attributes because they identify individual CD instances. In creating the table to support.
