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 is used to iterate through a sequence of nodes or atomic values. You tell her that she is describing the _____ clause.
A) for
B) let
C) where
D) return

Question

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 is used to iterate through a sequence of nodes or atomic values. You tell her that she is describing the _____ clause.
A) for
B) let
C) where
D) return

Quizplus · Accepted Answer

The "for" clause in a FLWOR structure is used to iterate through a sequence of nodes or atomic values. The other clauses are "let" for defining variables, "where" for filtering sequence items based on a condition, and "return" for specifying the result expression.

Agnes Has Been Using XQuery to Design Queries Using Path