On Mon, 1 Jun 2009 12:32:26 +0200, "Ralf" <ral...@ntschek.de> wrote:
>Hello, >[>> ] considering a m:n relation a.id <- a.id,b.id -> b.id, is it due to >performance, advisable to put an index on a.id,b.id ? a_id,b_id should be unique in the relationship table, so you should make (a_id,b_id) the primary key to enforce that constraint. >Thanks >Ralf -- ( Kees Nuyt ) c[_] _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
