Identifies a database within a parent element that contains an object reference.
语法
<Object> <!-- or one of the elements listed below in the Element Relationships table -->
   ...
   <DatabaseID>...</DatabaseID>
   ...
</Object>
Element Characteristics
Characteristic
Description
Data type and length
String
Default value
None
Cardinality
Ancestor or Parent
Cardinality
Source, Target1-1: Required element that occurs once and only once.
All others0-1: Optional element that can occur once and only once.
Element Relationships
| Relationship | Element | 
|---|---|
| Parent elements | |
| Child elements | None |