74
FOR v.s. LET
FOR $x IN document("bib.xml")/bib/book
RETURN
<result> { $x } </result>
Returns:
<result>
<book>...</book></result>
<result> <book>...</book></result>
<result> <book>...</book></result>
...
LET
$x IN document("bib.xml")/bib/book
RETURN
<result> { $x } </result>
Returns:
<result>
<book>...</book>
<book>...</book>
<book>...</book>
...
</result>