> From: Jeff Grigg [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, December 01, 2004 4:13 PM
> Consider:
> Suppose the Customer class was stored in the CUSTOMER table, and the
> Employee class in the EMPLOYEE table. Why is the source of this
> cross-reference data an XML file, rather than a general rule?
>
> Same for columns: Suppose the 'firstName' attribute is stored in
> the 'FIRST_NAME' column. If you had naming standards and rules,
> you'd hardly need a cross-reference file.
OK, but....
Legacy databases are not always so clean. Sometimes the attributes of a
single object may come from more than one source table (or even from
non-DBMS sources).
Cheers,
Curtis
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