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> ... after about 100,000 rows,
> the performance starts to grind to a halt such that a practical maximum of
> about 200,000 rows is realised. ie 100,000 rows = 10 seconds, 200,000 rows =
> 15 minutes.
>
> Why does performance degrade so quickly? The server itself is idle, and all
> the work is on the client.
>
Just an educated guess... after about 100,000 rows maybe you are out of
RAM and Virtual Memory kicks in. The swapping would explain the
slowdown.
--
Best!
Randall
[Just my Dog and I at the Edge of the Universe]