Hi, On Tuesday 11 April 2006 11:08, MG wrote: | I have about 100 000 records, which need about 30 minutes to write them | with single INSERTs into PostgreSQL. If I go through these 100 000 records | and make an UPDATE on each record, it takes 1 hour. | | Can anyone tell me, about his experience of the performance of INSERT and | UPDATE. how about using COPY for the import? Or at least putting the INSERTs into a transaction using BEGIN and COMMIT? I would do the same with the UPDATEs: put it into a transaction frame. Ciao, Thomas -- Thomas Pundt <thomas.pundt@xxxxxxxxxxxx> ---- http://rp-online.de/ ----