On Sat, May 16, 2009 at 5:22 PM, James Gregurich <bayouben...@mac.com> wrote: > howdy! > > Questions: > > > suppose tables t1 & t2 exits in two separate db files, d1 & d2 > respectively. t1 & t2 have identical schemas, but different data. > > I want to append t2 to t1. > > > I suppose the way to do that is to open a connect to d1, use the > attach command to reference d2.t2 and issue a "INSERT INTO t1 SELECT > * FROM d2.t2;" query. > > > Is that correct?
yes > Is there a better way? no, maybe, but why should you care... well, because... > > Is this operation inefficient or pitfalls any pitfalls to watch out for? primary keys. You want to ensure that the combined table has unique keys. > > > -James > > > > > -- Puneet Kishor http://www.punkish.org/ Carbon Model http://carbonmodel.org/ Charter Member, Open Source Geospatial Foundation http://www.osgeo.org/ Science Commons Fellow, Geospatial Data http://sciencecommons.org Nelson Institute, UW-Madison http://www.nelson.wisc.edu/ ----------------------------------------------------------------------- collaborate, communicate, compete ======================================================================= Sent from Karlstad, Sweden _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
