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.
-Betty wants to review the Russian Doll design. She understands that there is only one global element with everything else nested inside of it. She also knows that a Russian Doll design is much more compact than a Flat Catalog, but _____.
A) multiple levels of nested elements can be confusing
B) it can be more difficult to debug
C) it is easier to debug
D) Both a and b need to be considered.

Question

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The Answer of 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.
-Betty wants to review the Russian Doll design. She understands that there is only one global element with everything else nested inside of it. She also knows that a Russian Doll design is much more compact than a Flat Catalog, but _____.
A) multiple levels of nested elements can be confusing
B) it can be more difficult to debug
C) it is easier to debug
D) Both a and b need to be considered.

Case 4-1 Betty Trooper Owns and Operates a Realty Company. She Has