Chapter 17, Problem 1QY

How do you qualify the name of a field, and when do you need to do this?

Why is it that a numeric field is usually allocated substantially more space than the data it contains at the start?

What are the limitations of a domain?

How many different fields should a single form that asks for information include, and what are some of the reasons why those fields should be included?

Define key Identifier?

Can the safety of a field be ensured by using a certain data type?

When it comes to a domain, what are its boundaries?

Computer Science Design an OO schema for a database application that you are interested in.Construct an EER schema for the application, and then create the corresponding classes in ODL. Specify a number of methods for each class, andthen specify queries in OQL for your database application.