Discovering Database Things You Can Do with Oracle9i You just
installed Oracle9i. Now, it's time to learn something about
databases and what they can do! Take a look at three scenarios
to get a feel for what databases do in real life. Let your
imagination run wild, and think about what you want your
database to do for you. Keeping track of a fishbowl (the easy
example) Why are aquarium fish so nervous when their world is
quiet, rocking them in an endless cradle of gentle bubbles and
waves? Well, maybe you would be nervous, too, if 12-foot
eyeballs kept popping up in your picture window. Say your
neighbor has a small aquarium with one little gold guppy named
Wesley, who was born on January 1, 2000. The aquarium used to
contained four guppies, but Wesley ate the other three. Your
mission, if you choose to accept it, is to design a set of
tables that accurately depicts the world of the aquarium. When
you create a set of related tables and all the database things
that go with these tables, you create a schema. Co