Figure: The xs:field Component

Specifies an XPath expression that specifies the value used to define an identity constraint. See more info at http://www.w3.org/TR/xmlschema11-1/#element-field.

Table 1. xs:field Properties
Property Name Description Possible Values
XPath Relative XPath expression identifying the field(s) composing the key, key reference, or unique constraint. An XPath expression.
ID The component ID. Any ID.
Component The edited component name. Not editable property.
System ID The component system ID. Not editable property.