XML Exam I10-002 Topic 6 Question 63 Discussion

Actual exam question for XML's I10-002 exam

Question #: 63
Topic #: 6

Push the Exhibit Button to load the referenced "XML Document". Create an XML Schema Document for "XML Document". The definitions of this XML Schema Document require that the value of the level attribute of the record element must be singularly unique within the XML document, and further, that the level attribute of the scenario element must reference the value of the level attribute of the record element. Select which of the following correctly describes what should be written in " XML Schema " document (1).

A<xs:element name='TestML' type='testmlType'>
< xs:unique name= ' LEVEL ' >
<xs:selector xpath= ' record ' />
<xs:field xpath= ' record/@level ' />
</ xs:unique >
< xs:ref name= ' levelRef ' refer= ' LEVEL ' >
<xs:selector xpath= ' scenario ' />
<xs:field xpath= ' scenario/@level ' />
</ xs:ref >
</xs:element>

B<xs:element name='TestML' type='testmlType'>
< xs:unique name= ' LEVEL ' >
<xs:selector xpath= ' record ' />
<xs:field xpath= ' @level ' />
</ xs:unique >
< xs:ref name= ' levelRef ' refer= ' LEVEL ' >
<xs:selector xpath= ' scenario ' />
<xs:field xpath= ' @level ' />
</ xs:ref >
</xs:element>

C<xs:element name='TestML' type='testmlType'>
< xs:key name= ' LEVEL ' >
<xs:selector xpath= ' record ' />
<xs:field xpath= ' record/@level ' />
</ xs:key >
< xs:keyref name= ' levelRef ' refer= ' LEVEL ' >
<xs:selector xpath= ' scenario ' />
<xs:field xpath= ' scenario/@level ' />
</ xs:keyref >
</xs:element>

D<xs:element name='TestML' type='testmlType'>
< xs:key name= ' LEVEL ' >
<xs:selector xpath= ' record ' />
<xs:field xpath= ' @level ' />
</ xs:key >
< xs:keyref name= ' levelRef ' refer= ' LEVEL ' >
<xs:selector xpath= ' scenario ' />
<xs:field xpath= ' @level ' />
</ xs:keyref >
</xs:element>

Show Suggested Answer

Suggested Answer: A

by Stevie at Apr 09, 2024, 08:49 PM

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Ryan

1 months ago

I'm 'scenario'-ing a perfect score on this exam by choosing the right answer. Gotta love these XML puzzles!

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2 months ago

Unique and keyref - the dynamic duo of XML Schema validation. This question is a piece of cake!

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Mickie

26 days ago

I agree, using unique and keyref in XML Schema validation is crucial for ensuring data integrity.

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Mickie

1 months ago

C) \n\n\n\n\n\n\n\n\n

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Mickie

1 months ago

A) \n\n\n\n\n\n\n\n\n

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...

2 months ago

The unique constraint on the 'level' attribute of the 'record' element, and the keyref referencing the 'level' attribute of the 'scenario' element, seem straightforward. This looks like the correct approach.

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