What is complex type in XSD?
The complexType element defines a complex type. A complex type element is an XML element that contains other elements and/or attributes.
What is complex type and simple type in XSD?
XSD Elements. XSD elements can be of type simpleType , complexType , or anyType . An element of type simpleType contains only text. An element of type complexType can contain text, elements, and attributes. An element of type complexType is parent to all the elements and attributes contained within it.
What does complex type mean?
A complex type is a template for defining rich, structured properties on entity types or on other complex types. Each template contains the following: A unique name. ( Required) The name of a complex type cannot be the same as an entity type name within the same namespace.
What is are complex element in XML schema?
A complex element is an XML element that contains other elements or attributes. There are four types of complex elements: empty elements, elements that contain other elements, elements that contain only text and attributes, and elements that contain both text and other elements.
What is simple type in XSD?
A simpleType declaration contained within a complexType or attribute element defines that simple type within the scope of the complexType or attribute that contains it. If a simpleType declaration has the schema element as its parent, it has global scope within that schema.
What is complex content?
The complexContent element defines extensions or restrictions on a complex type that contains mixed content or elements only.
How do you define an element attribute in XSD?
XSD defines it as a simple type.
- Syntax.
- Example. Consider the following XML Element
- Default Value. Attribute can have a default value assigned to it.
- Fixed Value. Attribute can have a fix value assigned.
- Restriction.
What is simple element and complex element?
A simple element is an XML element that does not have any attributes or any sub (child) elements. A simple element can be declared with a simple datatype. What is a complex element? A complex element is an XML element that have at least one attribute, or at least one sub (child) element.
What are simple and complex data types?
These datatypes are called simple types. They contain text but no other elements and attributes. A complex datatype is a datatype that contains more than one simple type. A complex datatype can also contain other complex types and attributes.
What is the difference between simple element and complex element?
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 is sequence in XML?
The sequence element specifies that the child elements must appear in a sequence. Each child element can occur from 0 to any number of times.
What is simple type XML Schema element?
XML Schemas define the elements of your XML files. A simple element is an XML element that contains only text . It cannot contain any other elements or attributes.
What is the purpose of XSD files?
An XSD is a formal contract that specifies how an XML document can be formed. It is often used to validate an XML document, or to generate code from. An XSD file is an XML Schema Definition and it is used to provide a standard method of checking that a given XML document conforms to what you expect.
What is a XML element?
An XML document contains XML Elements. An XML element is everything from (including) the element’s start tag to (including) the element’s end tag.