Question

Which among the following is a non-XML expression language used to address parts of an XML document?

• A. XPath
• B. XSLT
• C. XQL
• D. XSL

Hint:

XPath = Navigate and Select Nodes in an XML document.

Answer 1

The Correct Option is A

Concept: XPath stands for: \[ \text{XML Path Language} \] It is used to locate and navigate through elements and attributes in XML documents.

Step 1: Purpose of XPath.
XPath allows selection of specific nodes. Examples: \[ \texttt{/students/student} \] \[ \texttt{//name} \]

Step 2: Why called non-XML expression language?
XPath syntax itself is not written as XML tags. Instead, it uses path expressions similar to file system navigation.

Step 3: Analyze other options.
XSL and XSLT are used for XML transformation and styling. XPath specifically addresses parts of an XML document.

Step 4: Final answer.
\[ \boxed{\text{XPath}} \]