If you have to import data from an XML source, APOC has your back again. Valid XML sources have a main advantage to already have been validated against an XSD schema (or a DTD).
Let's import some countries again, but this time by continent. Here is the XML, it is hand-written and voluntarily short, so do not feel offensed if you do not find your country in this list:
<?xml version="1.0"?>
<earth>
<continent name="Africa">
<country name="Morocco" money="Dinar"/>
</continent>
<continent name="Europe">
<country name="France" money="Euro"/>
<country name="Germany" money="Euro"/>
</continent>
<continent name="Asia">
<country name="China" money="Yuan"/>
<country name="Japan" money="Yen"/>
</continent>
</earth>There are countries sharing a continent, and others sharing money. As usual, constraint creation takes place before importing:
CREATE CONSTRAINT ON (c:Continent...