15: XSD Interview Q&As Archives

11 FAQ XSD interview questions and answers

Q1. How do you restrict an element in XSD? A1. With “xs:restriction”. In the XSD shown below, the “AddressType” is restricted to “Mailing”, “Office”, and “Home”.

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns="http://www.w3.org/2001/XMLSchema"
    targetNamespace="http://www.mycompany.com"
    xmlns:xs="http://www.w3.org/2001/XMLSchema" 
	xmlns:tns="http://www.mycompany.com"
    elementFormDefault="qualified" attributeFormDefault="unqualified">

    <xs:element name="Party" minOccurs="0" maxOccurs="unbounded">
        <xs:complexType>
            <xs:sequence>
                   <xs:element name="id" type="xs:string"></xs:element>
                   <xs:element name="PartyName" type="xs:string" />
                   <xs:element name="PartyType" type="xs:string" />
                   <xs:element name="AddressDetails" minOccurs="0" maxOccurs="unbounded">
                       <xs:complexType>
                           <xs:sequence>
                               <xs:element name="AddressType">
                                    <xs:simpleType>
                                        <xs:restriction base="xs:string">
                                            <xs:enumeration value="Mailing" />
                                            <xs:enumeration value="Office" />
                                            <xs:enumeration value="Home" />
                                        </xs:restriction>
                                    </xs:simpleType>
                               </xs:element>
                               <xs:element name="AddressLine1" type="xs:string"></xs:element>
                               <xs:element name="AddressLine2" type="xs:string"></xs:element>
                               <xs:element name="Suburb" type="xs:string"></xs:element>
                               <xs:element name="State" type="xs:string"></xs:element>
                               <xs:element name="Postcode" type="xs:string"></xs:element>
                            </xs:sequence>
                       </xs:complexType>
                   </xs:element>  
        </xs:sequence>
    </xs:complexType>
	
	<xs:element name="Adviser" type="tns:Ref_Adviser" />
	
	<xs:complexType name="Ref_Adviser">
        <xs:sequence>
            <xs:element name="firstName" type="xs:string" />
            <xs:element name="surname" type="xs:string" />
        </xs:sequence>
    </xs:complexType>
	
	
</xs:schema>

…

XSD reuse interview questions and answers

#1. Reuse by defining a “ComplexType”. EmployeeType is reused.

<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.myapp.com/Person" xmlns:xmime="http://www.w3.org/2005/05/xmlmime"
    xmlns:tns="http://www.myapp.com/Person" xmlns:xsd="http://www.w3.org/2001/XMLSchema" attributeFormDefault="unqualified"
    elementFormDefault="qualified">

    <!-- XML root element -->
    <xsd:element name="CompanyRequest" type="tns:CompanyType" />

    <xsd:complexType name="CompanyType">
        <xsd:sequence>
            <xsd:element name="PermanentStaff" type="tns:EmployeeType" />
            <xsd:element name="ContractStaff" type="tns:EmployeeType" />
        </xsd:sequence>
    </xsd:complexType>

    <xsd:complexType name="EmployeeType">
        <xsd:sequence>
            <xsd:element name="firstName" type="string" />
            <xsd:element name="lastName" type="string" />
        </xsd:sequence>
    </xsd:complexType>
</xsd:schema>

…

Blog Archives

11 FAQ XSD interview questions and answers

XSD reuse interview questions and answers

800+ Java & Big Data Interview Q&As

200+ Java & Big Data Tutorials

Prepare to go places

Disclaimer