Agnes Has Been Using XQuery to Design Queries Using Path

question 63

Multiple Choice

Agnes has been using XQuery to design queries using path expressions. Her next project will involve multiple source documents and require more complicated criteria. She has heard that a FLWOR structure could be effective for such cases, and comes to you for assistance in developing a FLWOR structure query.
-Agnes has heard that one of the clauses in a FLWOR structure defines a local variable that holds a single unchanged value. You tell her that she is describing the _____ clause.

• A) for
• B) let
• C) where
• D) return

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Definitions:

Instrumental Conditioning

The process through which an individual learns a behavior in response to a stimulus to obtain a reward or avoid a punishment.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Cognitive Dissonance

A state of psychological tension induced by dissonant relationships between cognitive elements.

Anticipated Reactions

Expectations about how others might respond to one's actions, which can influence decision-making processes.