What is XML Namespace?

A namespace is a qualified name that is associated with the XML DTD / Schema location. The prefix ‘xmlns’ to a tag specifies the namespace of that tag. Usually the namespace tag is defined in the beginning tag of an element.

What is XML data binding?

Answer
XML data binding refers to the process of representing the information in an XML document as an object in computer memory.

The limitations of data binding include round tripping of elements and attributes. XML data binding product generates documents that are invalid because of sibling order. They do not preserve physical constructs. They do not preserve comments and processing instructions.

What is an XML encoding error?

Answer
XML documents can contain non ASCII characters, like Norwegian æ ø å , or French ê è é which introduce errors.

The 2 types are:
An invalid character was found in text content.
Switch from current encoding to specified encoding not supported.

You can avoid these errors by specifying the XML encoding Unicode.