Agnes Has Been Using XQuery to Design Queries Using Path

question 37

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 can be used to display the results of the query. You tell her that she is describing the _____ clause.

• A) for
• B) where
• C) order by
• D) return

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Definitions:

Random Variable

A variable representing the numeric outcomes from a random phenomenon.

Joint Probabilities

The probability of two or more events happening at the same time, assuming they are related.

Complement

In probability theory, the complement of an event is the set of all outcomes that are not in the event.