What is ref in XSD?

ref. Optional. Refers to the name of another element. The ref attribute can include a namespace prefix. This attribute cannot be used if the parent element is the schema element.

What is element ref in XML?

Basically it references another element that is declared elsewhere, which may or may not be the same schema document. For instance, it could come from an externally referenced schema in a different namespace.

What is complex type in XML?

A complex type element is an XML element that contains other elements and/or attributes.

What type of data is XML?

Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing arbitrary data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.

What does Nillable false mean?

nillable=”false” means you can’t have the attribute xsi:nil=”true”. But you don’t have this attribute so this won’t make it invalid.

What is the difference between type and ref?

For the attribute, the ref succeeds while the type fails. I’m trying to understand why. My understanding of ref was that it simply referred to another element and specified that you expect to see an instance of the referred type (with the name given in the definition) at that location. Obviously I’m wrong, so what does ref actually mean?

Is it possible to construct a DTD with a REF TYPE?

You could use “ref” to also construct the equivalent of the first DTD, but you’d be working at a different level of the tree; you would use “ref” to bring in the Price and Currency individually, instead of using “type” to bring them both in as part of a consistently-used type structure.

What is the difference between reference type and value type?

Thank you. In this article There are two kinds of types in C#: reference types and value types. Variables of reference types store references to their data (objects), while variables of value types directly contain their data.

What are the types of reference types in C?

Reference types (C# Reference) There are two kinds of types in C#: reference types and value types. Variables of reference types store references to their data (objects), while variables of value types directly contain their data. With reference types, two variables can reference the same object; therefore, operations on one variable can affect…