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The max function is used to get the maximum valued item present in a sequence.

Syntax

max($seq as item()*)

Input Parameters

• $seq − provided sequence. A sequence can contain 0 or more items.

Example

XQuery Expression

let $items := (1,2,3,4,5,6)
let $max := max($items)
return
   <result>
      <max>{$max}</max>     
   </result>

Output

<result>
   <max>6</max>  
</result>

Verify the Result

In order to test the above-mentioned functionality, replace the contents of books.xqy (mentioned in Environment Setup chapter) with the above XQuery expression and execute the XQueryTester java program to verify the result.