INTERVIEW QUESTIONS XML XQUERY DETAILS

Question: What do you mean by selecting and Filtering elements in XQuery?

Answer: We can selecting and filtering the xml elements with FLWOR and Path expression.
I have given you a FLWOR expression:
for $a in doc("bookmart.xml")/bookstore/book
where $a/price<150
order by $a/title
return $a/title
Where,
1. for : It is an optional and use to bind a variable to each item.
for $a in (1 to 5)
return <test>{$a}</test>

We can selecting and filtering the xml elements with FLWOR and Path expression.
I have given you a FLWOR expression:
for $a in doc("bookmart.xml")/bookstore/book
where $a/price<150
order by $a/title
return $a/title
Where,
1. for : It is an optional and use to bind a variable to each item.
for $a in (1 to 5)
return <test>{$a}</test>
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