"Evandro's mailing lists (Please, don't send personal messages to this address)" <listasjr@xxxxxxxxx> writes:
> I'm doing a PhD in data mining and I need more than 1600 columns.
I don't think so --- consider redesigning your data model instead.
For instance, maybe you could combine similar columns into an array.
Or split the table into an m:n linking structure. Even coming close
to that implementation limit suggests bad SQL design; if we thought
it was a realistic problem we would have increased it long ago...
regards, tom lane
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