Aloha Kakuikanu wrote:
> Marshall wrote:
>
>>Aloha Kakuikanu wrote:
>>
>>>Marshall wrote:
>>>
>>>>Consider named views of binary operations on relations.
>>>>
>>>>Given a relational operator "op" and relation variables A and B,
>>>>and a declaration of:
>>>>
>>>>r = A op B
>>>>
>>>>the language evaluates the expression "A op B" and assigns the
>>>>result to r.
>>>>
>>>>However, if we declare this as a view, ...
>>>
>>>View is a named expression. r is a view.
>>
>>Is it necessarily named? Might we find use for an anonymous view?
>
> Well, the point is that the term "view" is redundant and SQL-ish.
> Relations and relational expressions are the fundamental concepts, and
> view is some bastardized idea.
I disagree. Views and snapshots are fundamental and are the source of
logical independence.
Received on Sun Jul 16 2006 - 14:42:25 CDT
