|-
| '''Errors'''
|{{Error|FODC0002|XQuery Errors#Functions Errors}} {{Code|$input}} points to an unknown resource.<br/>{{Error|FOUP0001|XQuery Errors#Update Errors}} {{Code|$input}} is neither string nor a document node.<br/>{{Error|BXDB0001BXDB0011|#Errors}} {{Code|$db}} is not a valid database name.
|-
| '''Examples'''