What is any in XSD?

XSD – element is used to extend the XSD functionality. It is used to extend a complexType element defined in one XSD by an element which is not defined in the schema. xsd has defined person complexType element.

What is any in XML?

The element enables us to extend the XML document with elements not specified by the schema. The following example is a fragment from an XML schema called “family.xsd”. It shows a declaration for the “person” element.

How do you make an element unique in XSD?

You can create a Unique constraint within an XSD using the element. The selector and field pair specify the data that must be unique, the XPath expressions are relative to the parent element (Directory).

What is xsd sequence?

xsd:sequence – “child elements must appear in a sequence. Each child element can occur from 0 to any number of times” (ie, maxOccurs can be 0 or any number or ‘unbounded’)

What is xsd choice?

Element Allows one and only one of the elements contained in the selected group to be present within the containing element.

What is Xs unique?

Element Specifies that an attribute or element value (or a combination of attribute or element values) must be unique within the specified scope. The value must be unique or nil.

How do I make XSD optional?

Using in an XSD The element in the root schema has to be optional. Add attribute minOccurs=”0″ on the element to make it optional.

What is the difference between XSD and XSI?

xsi:schemaLocation and xsi:noNamespaceSchemaLocation provide hints to the XML processor as to how to associate an XSD with an XML document. Use xsi:schemaLocation when there is a namespace; use xsi:noNamespaceSchemaLocation when there is no namespace. Namespace related attributes in XML and XML Schema (XSD)

What does elementformdefault do in XSD?

Vast majority of the time:Add elementFormDefault=”qualified”to the xsd:schemaelement of the XSD. This means valid XML must place elements in the target namespace when locally declared in the XSD; otherwise, valid XML must place locally declared elements in no namespace.

What is the difference between XSD and WSDL?

WSDL is a XML document that describes a web service. It shows which operations are available and how data should be structured to send to those operations. WSDL documents have an associated XSD that show what is valid to put in a WSDL document. XSD : XML Schema Definition. XML : eXtensible Markup Language. WSDL : Web Service Definition Language.

How to add custom attributes to ComplexType elements in XSD?

– extension – prevents derivation by extension – restriction – prevents derivation by restriction – #all – prevents all derivation