Has someone been working on the problem of splitting a query into pieces
and running it on multiple CPUs / multiple machines? Yes. Bizgress has
done that.
I believe that is limited to Bizgress MPP yes?
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
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TIP 6: explain analyze is your friend
