Exam 3: Working With Basic Schemas

The arrow in the accompanying figure points to the XML Schema _____ .

Instead of a pattern involving specific characters, you usually want a more general pattern involving _____ types that represent different kinds of characters.

The string data type is a(n)   _____  data type, which is part of the XML Schema language.

DTDs employ a syntax called _____, which is different from the syntax used for XML.

The _____  value of the use attribute means that the use of the attribute is optional with the element.

The XML document to be validated is called the _____  document.

According to the accompanying figure, the stuID values must follow the rules of what data type?

Schemas do not allow numeric data types.

The xs:float data type is a double precision floating point number.

The root element in any XML Schema document is the main element.

Case 3-1 Judy wants to be able to validate the XML documents that she uses for recipes. These documents include numeric elements that specify ingredient amounts and cooking times, so you recommend that she use a schema instead of a DTD, and you teach her some of the key facts about schemas. -You teach Judy about the differences between simple and complex data types. Which of the following would NOT require a complex type?

Attributes use the same collection of data types that simple type elements do.

The _____ data type is a text string containing valid XML names with no white space.

The _____ facet constrains the data type to a specified list of values.

The _____ compositor defines a specific order for the child elements.

If both the maxOccurs and minOccurs attributes are missing, the element is assumed to occur _____.

A _____ can be appended to a character type or set to specify the number of occurrences for a particular character or group of characters.

A(n) _____  data type is a collection of data types that the XML Schema developers created based on the base types.

User-derived data types fall into three categories: list, union, and restricted.

By convention, the namespace prefix _____ is assigned to the XML Schema namespace in order to identify elements and attributes that belong to the XML Schema vocabulary.