Case-based Critical Thinking Questions
Case 4-1
Betty Trooper owns and operates a realty company. She has provided you with properties.xml, which is a file that contains a list of properties enrolled in the multiple listing database. She has created three different versions of a schema for the properties vocabulary and needs help in choosing the most appropriate schema design for her needs.
In Flat Catalog design, every element and attribute definition is a direct _____ of the root element and thus has been defined globally.

A. parent
B. child
C. sibling
D. root

Answer: B