Restricts the xml instance to be a well-formed XML fragment. The XML data can contain multiple zero or more elements at the top level. Text nodes are also allowed at the top level.
This is the default behavior.
Restricts the xml instance to be a well-formed XML document. The XML data must have one and only one root element. Text nodes are not allowed at the top level.
Is the name of an XML schema collection. To create a typed xml column or variable, you can optionally specify the XML schema collection name. For more information about typed and untyped XML, see Typed XML Compared to Untyped XML.