Testing your knowledge

1. Rob, a developer at HWLC motors, is working with a Schema that is to hold supplier contact details. Just the other week, the team finished work on a Customer Schema. Both have e-mail addresses. While working with the Customer Schema, they created an EmailAddress type with a restriction for e-mail addresses that he would like to reuse in the Supplier Schema. The Customer and Supplier Schemas are in different namespaces. What should he do?

   1. Import the Customer Schema to the Supplier Schema, and set the Data Type of all e-mail addresses in the Supplier Schema to the EmailAddress type defined in the Customer Schema.

   2. Include the Customer Schema in the Supplier Schema to be able to set the EmailAddress type as the Data Type of the e-mail addresses in the Supplier Schema.

   3. Import the Supplier Schema to the Customer Schema, and set the Data Type property of all e-mail addresses in the Supplier Schema to the EmailAddress type defined in the Customer Schema.

   4. Define a new Schema named...