Kevin Kempter wrote: > Hi List; > > I have a very large table (52million rows) - I'm creating a copy of it to rid > it of 35G worth of dead space, then I'll do a sync, drop the original table > and rename table2. > > Once I have the table2 as a copy of table1 what's the best way to select all > rows that have been changed, modified in table1 since the initial laod from > table1 into table2? I think you could get smart having a few rules for insert/update/delete on 'table' that "keep track" of what happens during your work on table2. -- Alban Hertroys alban@xxxxxxxxxxxxxxxxx magproductions b.v. T: ++31(0)534346874 F: ++31(0)534346876 M: I: www.magproductions.nl A: Postbus 416 7500 AK Enschede // Integrate Your World // ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org/