schema.xsd

<?xml version="1.0" encoding="UTF-8"?>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           elementFormDefault="qualified"
           attributeFormDefault="unqualified">

  <!-- Define types -->
  <xs:simpleType name="dateType">
    <xs:restriction base="xs:date"/>
  </xs:simpleType>

  <xs:simpleType name="decimalType">
    <xs:restriction base="xs:decimal"/>
  </xs:simpleType>

  <xs:simpleType name="phoneType">
    <xs:restriction base="xs:string">
      <xs:pattern value="\+\d{1,}"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Define elements -->
  <xs:element name="catalogue">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="employeesList">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="employee" maxOccurs="unbounded">
                <xs:complexType>
                  <xs:sequence>
                    <xs:element name="personData" type="personDataType"/>
                    <xs:element name="employeeData" type="employeeDataType"/>
                  </xs:sequence>
                </xs:complexType>
              </xs:element>
            </xs:sequence>
          </xs:complexType>
        </xs:element>
        <xs:element name="departmentsList">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="department" maxOccurs="unbounded">
                <xs:complexType>
                  <xs:sequence>
                    <xs:element name="departmentName" type="xs:string"/>
                    <xs:element name="manager" type="managerType"/>
                  </xs:sequence>
                </xs:complexType>
              </xs:element>
            </xs:sequence>
          </xs:complexType>
        </xs:element>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:complexType name="personDataType">
    <xs:sequence>
      <xs:element name="firstName" type="xs:string"/>
      <xs:element name="middleName" type="xs:string"/>
      <xs:element name="lastName" type="xs:string"/>
      <xs:element name="id" type="xs:string"/>
      <xs:element name="birthday" type="dateType"/>
      <xs:element name="telephoneNumber" type="phoneType"/>
      <xs:element name="residenceData" type="residenceDataType"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="residenceDataType">
    <xs:sequence>
      <xs:element name="country" type="xs:string"/>
      <xs:element name="city" type="xs:string"/>
      <xs:element name="zipCode" type="xs:string"/>
      <xs:element name="address" type="xs:string"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="employeeDataType">
    <xs:sequence>
        <xs:element name="departmentName" type="xs:string"/>
        <xs:element name="workweek" type="xs:string"/>
        <xs:element name="salary" type="decimalType"/>
        <xs:element name="employmentType" type="xs:string"/>
        <xs:element name="positionInCompany" type="positionType"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="positionType">
    <xs:sequence>
      <xs:element name="positionName" type="xs:string"/>
      <xs:element name="startDate" type="dateType"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="managerType">
    <xs:attribute name="firstNameRef" type="xs:string" use="required"/>
    <xs:attribute name="lastNameRef" type="xs:string" use="required"/>
    <xs:attribute name="idRef" type="xs:string" use="required"/>
  </xs:complexType>

</xs:schema>