Exam 9: Working With Xml and Databases
Exam 1: Creating an Xml Document91 Questions
Exam 2: Validating an Xml Document91 Questions
Exam 3: Working With Basic Schemas91 Questions
Exam 4: Working With Advanced Schemas91 Questions
Exam 5: Working With Xslt and Xpath91 Questions
Exam 6: Working With Xslt Functional Programming91 Questions
Exam 7: Creating Element Groups91 Questions
Exam 8: Combining Xml and Php91 Questions
Exam 9: Working With Xml and Databases91 Questions
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The _____ keyword allows the variable value to be set by the processor when the query is run.
(Short Answer)
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A path expression is usually more compact and easier to apply for simple queries compared to a FLWOR structure.
(True/False)
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The _____ clause was added to the FLWOR structure in XQuery 3.0 to provide a way of counting each iteration in the query result.
(Short Answer)
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-In a FLWOR query structure, the _____ clause sorts the items in the sequence based on a supplied expression.

(Multiple Choice)
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You cannot use XQuery in place of XSLT to transform a source document.
(True/False)
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In the order by clause of a FLWOR query, the default is to sort items in descending order.
(True/False)
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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 filters the result of the query and can replace the long and complicated predicates found in path expressions. You tell her that she is describing the _____ clause.
(Multiple Choice)
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XQuery 3.0 provides a robust debugging technique using the try… _____ structure.
(Short Answer)
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In general, a processor can run a where clause faster than it can run a predicate expression.
(True/False)
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Alfonso has been working with XQuery, and would like to create a library module to centralize the global variables and functions he's created. He has encountered some problems in implementing the library module, and comes to you for help.
-Alfonso has fixed the error in the query prolog, but now is encountering problems when he tries to reference a function he defined and added to the library module. In looking at his library module code, you remind him that he must include the _____ keyword when creating a user-defined function.
(Multiple Choice)
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One option to format query results is to add the declaration _____ to the XQuery prolog, which preserves all of the white space characters from the XQuery file and writes them to the result document.
(Multiple Choice)
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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 is confused by the rules about how many of each type of clause are required in a FLWOR structure. You tell her that in a FLWOR structure, there must be at least one _____ clause.
(Multiple Choice)
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A(n) _____ contains the declarations for namespaces, variables, and user-defined functions-which can be imported into other query documents.
(Short Answer)
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In an XQuery variable declaration, text strings need to be enclosed within single or double quotes .
(True/False)
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In XQuery, the _____ namespace is used for creating user-defined functions.
(Multiple Choice)
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One way to query data from several sources is to apply a _____ clause to each document source.
(Multiple Choice)
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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.
(Multiple Choice)
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To run a query, you need a(n) _____ that parses, analyzes, and evaluates the query.
(Short Answer)
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In an XQuery file, the _____ is an optional section that is placed at the beginning of the query and is used to set up fundamental properties of the query.
(Short Answer)
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-In the FLWOR query shown in the accompanying figure, the box labeled _____ indicates the clause that displays the results of the query.

(Multiple Choice)
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