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The avg function is used to get the average of total items present in a sequence. Syntax avg($seq as item()*) Input Parameters $seq − provided sequence. A sequence can contain 0 or more…

The sum function is used to get the sum of total items present in a sequence. Syntax sum($seq as item()*) Input Parameters $seq − provided sequence. Sequence can contain 0 or more items.…

The count function is used to count the total items present in a sequence. Syntax count($seq as item()*) Input Parameters $seq − provided sequence. Sequence can contain 0 or more items. Example XQuery…

The following table lists the commonly used sequence functions provided by XQuery. Sr.NoName & Description1count Function Counts the items in a sequence.2sum Function Returns the sum of the items in…

Sequences represent an ordered collection of items where items can be of similar or of different types. Creating a Sequence Sequences are created using parenthesis with strings inside quotes or…

XQuery is XPath compliant. It uses XPath expressions to restrict the search results on XML collections. For more details on how to use XPath, see our XPathOverview Recall the following XPath…

XQuery can also be easily used to transform an XML document into an HTML page. Take a look at the following example to understand how XQuery does it. Example We…

FLWOR is an acronym that stands for "For, Let, Where, Order by, Return". The following list shows what they account for in a FLWOR expression − F - For - Selects…

Example Following is a sample XML document containing the records of a bookstore of various books. books.xml <?xml version="1.0" encoding="UTF-8"?> <books> <book category="JAVA"> <title lang="en">Learn Java in 24 Hours</title> <author>Robert</author>…

This chapter elaborates how to set up XQuery library in a local development environment. We are using an open source standalone XQuery processor Saxon Home Edition (Saxon-HE) which is widely…