On Mon, 25 May 2009 23:14:50 +0200, Leo Freitag <leofrei...@netcologne.de> wrote:
>Hallo, > >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; The person_group table could be called membership, if you like. >Thanks in advance >Leo -- ( Kees Nuyt ) c[_] _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
