Question 1

Select the correct result of executing the following [XQuery] on [example xml] referenced in a separate window.

Options :

A :

B :

C :

D :

Answer: D

Question 2

Select the correct result of executing the [XQuery] on [example xml] referenced in a separate window.

Other-Image-20bc319af-6943-498e-9ead-439a0a59734b

Options :

A :

B :

C :

D : There is a mistake in the syntax of the typeswitch expression, which will cause an error

Answer: B

Question 3

Select the correct result of executing the [XQuery] on [example xml] referenced in a separate window.

Other-Image-26a3abb2e-3590-44e2-98cb-2afe65455cd7

Options :

A :

B :

C :

D :

Answer: A

Question 4

Assume that a certain XMLDB can perform a validation check using DTD when inserting an XML document. Select two of the following that are unsuitable when using the xml:id attribute to manage the uniqueness of XML document elements. Assume that the XMLDB can properly process the xml:id attribute, and that an error is reported when a violation of the xml:id specification occurs.

Options :

A : The xml:id attribute can be defined as the ID type using DTD

B : Duplication errors in the values of the xml:id attribute cannot be detected unless a validation check is performed

C : Duplications may occur in the values of the xml:id attribute when combining two XML documents (neither having errors related to xml:id attributes) into one XML document

D : Duplication errors in the values of the xml:id attribute cannot be detected when the XMLDB does not support XML namespaces

Answer: B,D

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