What is simpleType in XSD?

What is simpleType in XSD?

XSD Elements. XSD elements can be of type simpleType , complexType , or anyType . An element of type simpleType contains only text. It cannot have attributes and elements. An element of type complexType can contain text, elements, and attributes.

What is elementFormDefault qualified in XSD?

elementFormDefault=”qualified” is used to control the usage of namespaces in XML instance documents (. xml file), rather than namespaces in the schema document itself (. xsd file). By specifying elementFormDefault=”qualified” we enforce namespace declaration to be used in documents validated with this schema.

What is Union in XSD?

What is the use of Xs sequence?

This element (the “sequence” particle) is used for expressing sequences in the content model of a complex type used for element definitions. This means that the child elements must appear in a given order. Optional.

What are the four categories of complex types in an XML schema?

There are four kinds of complex elements:

  • empty elements.
  • elements that contain only other elements.
  • elements that contain only text.
  • elements that contain both other elements and text.

What are the differences between simple and complex XML schema types?

simple types can only have content directly contained between the element’s opening and closing tags. They cannot have attributes or child elements. complex types can have attributes, can contain other elements, can contain a mixture of elements and text, etc etc.

What does elementFormDefault mean?

elementFormDefault is just a switch which specifies whether or not you are supposed to namespace qualify them in an instance.

What is targetNamespace in XSD?

The targetNamespace declares a namespace for other xml and xsd documents to refer to this schema. The target prefix in this case refers to the same namespace and you would use it within this schema definition to reference other elements, attributes, types, etc.

What is XML token?

XML tokens are offered in two well-known formats called Security Assertion Markup Language (SAML) and eXtensible rights Markup Language (XrML). In WebSphere® Application Server Versions 6 and later, you can plug in your own implementation.

What is string in XML?

Note: A string is a simple resource that is referenced using the value provided in the name attribute (not the name of the XML file). So, you can combine string resources with other simple resources in the one XML file, under one element. file location: res/values/filename.xml. The filename is arbitrary.

What is the use of minOccurs and maxOccurs in XSD?

The minOccurs attribute specifies the minimum number of times that the element can occur. It can have a value of 0 or any positive integer. The maxOccurs attribute specifies the maximum number of times that the element can occur.

What is the default minOccurs in XSD?

The default value for both the minOccurs and the maxOccurs attributes is 1. Thus, when an element such as comment is declared without a maxOccurs attribute, the element may not occur more than once.

How do you declare a repeated element in XSD?

1 Answer. Show activity on this post. If you want to only allow, say, 3 elements, use maxOccurs=”3″ instead, and so forth. If you instead want to specify that all the elements in the sequence can appear more than once, you can set the maxOccurs attribute on the tag instead.

What is minOccurs 0 in XSD?

means A is required and must appear exactly once. means A is optional and may appear at most once. means A is required and may repeat an unlimited number of times.

What is the difference between Cdata and Pcdata?

CDATA means the element contains character data that is not supposed to be parsed by a parser. #PCDATA means that the element contains data that IS going to be parsed by a parser.