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   Re: [xml-dev] Jim Gray article on Next Generation Databases

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Rick Jelliffe wrote:

> Jonathan Robie wrote:
>> Perhaps I'm reading too much into this, but in Gray's article, the 
>> vision does not seem to include a middle tier. The database becomes 
>> the center of the universe, and pretty much everything we associate 
>> with the middle tier becomes part of the database. The database also 
>> takes on some of the functionality traditionally associated with an 
>> operating system.
>> How likely is this? Do users want that level of centralization?
>> Jonathan
> Well one part of the vision won't fly at all as far as I can see.
> That is the idea that file systems should be subsumed by databases. 
> The trouble with this is
> that people *need* to be able to take a disk from one dead machine and 
> plug it into a living
> machine and access that data, as you can do with file systems.  The 
> more difficult this
> becomes (e.g. if the binary format for the database is not fixed 
> readable between different
> versions of the OS) then the less practical it becomes.  (This is a 
> different issue to backups:
> people use backups when data storage fails, and they use 
> disktransplants when motherboards
> fail or are superceded.)  So just giving a virtual FAT32 or whatever 
> as a compatability mode
> doesn't seem sellable: the DBMS stuff needs to be tacked on as a layer 
> above the file system,
> which isn't very satisfactory.

from a different conversation, but derived from this one....

just wandering if anyone has tried storing the dom as directory entries 
in a unix/linux file system? it's made to do this sort of thing really fast.


> Cheers
> Rick Jelliffe
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fn:Rick  Marshall
tel;cell:+61 411 287 530


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