The unit of measure for density or unit weight. This can be either a mass per volume unit (for true density) or a force per volume unit (for unit weight).
The unit of measure for density or unit weight. This can be either a mass per volume unit (for true density) or a force per volume unit (for unit weight).
Database handle for the object. It is of XML type ID, so is constrained to beunique in the XML document within which it occurs. An external identifier for the object inthe form of a URI may be constructed using standard XML and XPointer methods. This is doneby concatenating the URI for the document, a fragment separator, and the value of the idattribute.