Hi Igor, thanks, works fine! Where do I find a tutorial that deals with 'IN', 'NOT IN' and subquerys in general?
Leo Igor Tandetnik schrieb: > "Kees Nuyt" <k.n...@zonnet.nl> wrote in > message news:8u3m151rqbbel40ilsvaatqmfhcnhsj...@dim53.demon.nl > >> On Mon, 25 May 2009 23:14:50 +0200, Leo Freitag >> <leofrei...@netcologne.de> wrote: >> >>> I have a table 'person' and a table 'group'. Every person can join >>> none, one or more groups. >>> No I want to select all persons except those who are member in group >>> 1. - Sounds simple, but not for me. >>> >> This is an n:m relationship. >> If group has more attributes (columns) than just its number, >> you need a third table: person_group. >> Then join person with person_group where group_id != 1; >> > > That would also pick people that are both in group 1 and group 2. You > would need something like > > select * from person > where person_id not in ( > select person_id from person_group where group_id=1); > > Igor Tandetnik > > > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > > _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
