Hi, Carlo,

Carlo Stonebanks wrote:

> We urgently need a major performance improvement.

Did you think about putting the whole data into PostgreSQL using COPY in
a nearly unprocessed manner, index it properly, and then use SQL and
stored functions to transform the data inside the database to the
desired result?

We're using this way for some 3rd-party databases we have to process
in-house.

HTH,
Markus

-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

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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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