Question

XYZ school wants to store the details of student and staff in a xml file. The following scenario helps in designing the XML document.

  persons will be the root tag. persons will have the entry of each person with name, age, gender, address. A person can be either a student or staff. student will have rollno, standard and section. If staff, then staffid and subject. Every person must have an address with the following entry- doorno,street,city and state.

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Answer 1

Answer:

Explanation:

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

<xs:schema xmlns:xs="http">

<xs:element name="persons">

<xs:complexType>

<xs:sequence>

<xs:element name="person">

<xs:complexType>

<xs:sequence>

<xs:element name="name" type="xs:string" />

<xs:element name="age" type="xs:integer" />

<xs:element name="gender" type="xs:string" />

<xs:element name="address">

<xs:sequence>

<xs:element name="doorno" type="xs:integer" />

<xs:element name="street" type="xs:string" />

<xs:element name="city" type="xs:string" />

<xs:element name="state" type="xs:string" />

</xs:sequence>

</xs:element>

<xs:element name="student" minOccurs="0">

<xs:complexType>

<xs:sequence>

<xs:element name="rollno" type="xs:integer" />

<xs:element name="standard" type="xs:integer" />

<xs:element name="section" type="xs:string" />

</xs:sequence>

</xs:complexType>

</xs:element>

<xs:element name="staff" minOccurs="0">

<xs:complexType>

<xs:sequence>

<xs:element name="staffid" type="xs:integer" />

<xs:element name="subject" type="xs:string" />

</xs:sequence>

</xs:complexType>

</xs:element>

</xs:sequence>

</xs:complexType>

</xs:element>

</xs:sequence>

</xs:complexType>

</xs:element>

</xs:schema>