Re: In an RDBMS, what does "Data" mean?
Date: Mon, 14 Jun 2004 16:21:41 GMT
"Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message
> Keep in mind that unlike an RDBMS schema, the vocabulary for MV/PICK
> is descriptive of the data and not constraining. The same data can be
> described in many different ways. The association would really be a type
> derived data.
How is this useful? I've seen this in COBOL layouts, and was underwhelmed; it always seemed to cause more problems (and invite even others) than it appeared to solve. How is this more effective than a view, for example?