reference-descriptor

[Ed Greenberg]

Hi, I'm trying to understand this, as taken from the tutorial:

       ...
     <reference-descriptor
        name="productGroup"
        class-ref="org.apache.ojb.broker.ProductGroup"
     >
        <foreignkey field-ref="productGroupId"/>
     </reference-descriptor>
Questions:

* What is the significance of the name attribute? Where does it point. In 
the example, there is nothing named productGroup at all, though there is a 
ProductGroup and a productGroupId. Is this a newly made up name? Is it the 
name of the class-ref object for the other class? Or what?

* Is the implication of the foreign key that the productGroupId field in 
the table being defined will be compared to the primary key of the table 
referenced by the class-ref?

Thanks,
</edg> 

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