XQuery - Sequence Function-index-of Function - XQuery

The index-of function is used to track items in the given sequence. It returns integers to indicate the availability of items in a given sequence.

Syntax

Input Parameters

  • $seq − provided sequence. Sequence can contain 0 or more items.
  • $target − item whose index is to be returned.

Example

XQuery Expression

Output

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.

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XQuery Topics