Darren New <dne### [at] sanrrcom> wrote:
> >   I think it could perhaps be safely assumed they use Oracle? 

> It's IBM mainframe DB2. Or was, 15 years ago. I don't imagine they changed 
> that, tho.

  From the wikipedia page I get the impression that Oracle and IBM DB2 are
approximately the only two RDBMS systems which scale up well to the hundreds
of terabytes of data.

  I wonder how eg. MySQL or PostgreSQL would handle such vast amounts of
data. Would they handle them ok, just maybe a bit slower, would they be
significantly less efficient, or would they simply fail? Or is it a question
of them not having such extensive support for the hardware required to
handle that amount of data efficiently?

-- 
                                                          - Warp

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