XSD Limited / Facets

XML Schema is an XML-based replacement for DTDs.

XML Schema describes the structure of an XML document.

The XML Schema language can also be referenced as XSD (XML Schema Definition).

XSD Limited / Facets syntax

Restrictions are used to define acceptable values ​​for XML elements or attributes. Restrictions on XML elements are called facets.

XSD Limited / Facets example

The following example defines an element named "age" with a qualification. The value of age cannot be lower than 0 or higher than 120:

<xs:element name="age">
<xs:simpleType>
<xs:restriction base="xs:integer">
<xs:minInclusive value="0"/>
<xs:maxInclusive value="120"/>
</xs:restriction>
</xs:simpleType>
</xs:element>