Any programming language is able to implement XML parsing.

XML simple database example

<?xml version="1.0"?>
<database>
    <registry category="CLIENTS"> <!-- Each ID in a registry node is a distinct record -->
        <ID="000001">
            <name>Daniel</name>
            <phone_residential>(01) 555-1234</phone_residential>
            <phone_commercial>(01) 555-4321</phone_commercial>
            <phone_mobile>(01) 999-0513</phone_mobile>
            <address_main>Fox St., 11</address_main>
            <address_city>Delta</address_city>
            <address_state>BC</address_state>
            <address_country>Canada</address_country>
            <email>1@2.3</email>
            <additional_info>etc etc etc etc etc etc ...</additional_info>
        </ID>
    </registry>
</database>