<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" 
	targetNamespace="http://www.example.org/tsunamidb" 
	xmlns="http://www.example.org/tsunamidb" 
	elementFormDefault="qualified">

	<xs:element name="field" type="Field"></xs:element>
	<xs:element name="row" type="Row"></xs:element>
    <xs:element name="table" type="Table"></xs:element>

    <xs:complexType name="Field">
    	<xs:simpleContent>
    		<xs:extension base="xs:string">
    			<xs:attribute name="name" type="xs:string" use="required"/>
    		</xs:extension>
    	</xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="Row">
    	<xs:sequence>
    		<xs:element ref="field" minOccurs="0" maxOccurs="unbounded"/>
    	</xs:sequence>
    </xs:complexType>

    <xs:complexType name="Table">
    	<xs:sequence>
    		<xs:element ref="row" minOccurs="0" maxOccurs="unbounded"/>
    	</xs:sequence>
    	<xs:attribute name="name" type="xs:string" use="required"/>
    </xs:complexType>

</xs:schema>