Silverlight 2 Database Updating

<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:tns="http://tempuri.org/" elementFormDefault="qualified" targetNamespace="http://tempuri.org/" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:import schemaLocation="http://localhost:53762/NorthwindData.svc?xsd=xsd2" namespace="http://schemas.datacontract.org/2004/07/DataWebService" />
  <xs:import schemaLocation="http://localhost:53762/NorthwindData.svc?xsd=xsd3" namespace="http://schemas.microsoft.com/2003/10/Serialization/Arrays" />
  <xs:element name="GetCustomers">
    <xs:complexType>
      <xs:sequence />
    </xs:complexType>
  </xs:element>
  <xs:element name="GetCustomersResponse">
    <xs:complexType>
      <xs:sequence>
        <xs:element xmlns:q1="http://schemas.datacontract.org/2004/07/DataWebService" minOccurs="0" name="GetCustomersResult" nillable="true" type="q1:ArrayOfCustomer" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="GetTestItems">
    <xs:complexType>
      <xs:sequence />
    </xs:complexType>
  </xs:element>
  <xs:element name="GetTestItemsResponse">
    <xs:complexType>
      <xs:sequence>
        <xs:element xmlns:q2="http://schemas.datacontract.org/2004/07/DataWebService" minOccurs="0" name="GetTestItemsResult" nillable="true" type="q2:ArrayOftesttable" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="SubmitChanges">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" name="tableName" nillable="true" type="xs:string" />
        <xs:element xmlns:q3="http://schemas.microsoft.com/2003/10/Serialization/Arrays" minOccurs="0" name="changes" nillable="true" type="q3:ArrayOfKeyValueOfstringstring" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="SubmitChangesResponse">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" name="SubmitChangesResult" nillable="true" type="xs:string" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="Hello">
    <xs:complexType>
      <xs:sequence />
    </xs:complexType>
  </xs:element>
  <xs:element name="HelloResponse">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" name="HelloResult" nillable="true" type="xs:string" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
</xs:schema>