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 Fight against software patents in Europe! www.ffii.org www.nosoftwarepatents.org