Multiple choice technology web technology

$x is an

  1. Element

  2. Attribute

  3. XQuery

  4. Variable
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In XQuery and XPath, the dollar sign ($) indicates a variable reference. Variables in XQuery are used to store and reference values, similar to variables in programming languages. They are not elements, attributes, or the XQuery language itself.

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