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Home -> Community -> Usenet -> comp.databases.theory -> Re: 1GB Tables as Classes, or Tables as Types, and all that refuted
On Thu, 25 Nov 2004 21:32:50 GMT, Jan Hidders
<jan.hidders_at_REMOVETHIS.pandora.be> wrote:
>>>I simply cannot believe that you do not see what is problematic about
>>>this type of argument. Seriously.
>>
>> So what is problematic?
>
>It's irrelevant.
Then I can continue to think the same without worry :)
>The question that must be answered is whether there are
>any practical problems if you redefine the notion of type such that it
>does include relational variables.
The practical problems exist. I supose that you have readen the section of TTM that describes some of these practical problems, like a return to chasing pointers.
>> It's well known that the DBMSs that tried to treat relational
>> variables as types were a fiasco.
>
>It is also well known that these were not technical problems.
Indeed, these were model problems :)
Although most OO coders think that the OODBMS technology is immature (technical problems).
BTW, currently we can say that XML-DBMSs were the next big fiasco.
Even M$ is following (more or less) the equation class=domain in the new SQL Server.
Regards Received on Fri Nov 26 2004 - 07:57:57 CST
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