On Fri, May 13, 2005 at 11:57:08AM +0200, Stephane Bortzmeyer <bortzmeyer@xxxxxx> wrote a message of 49 lines which said: > I have 240 countries in the database. Because of a programming error, > contacts were entered with a country > 240. I thought that the > "REFERENCES Countries (id)" should have prevented it. Is it because of > inheritance? Yes, it is even documented :-( http://www.postgresql.org/docs/7.4/interactive/ddl-inherit.html I agree with the comments at the end. Having, as a workaround, to add a FOREIGN KEY REFERENCES to every child table defeats a lot of the purpose of inheritance. It does not seem to be better in 8.0: http://www.postgresql.org/docs/8.0/interactive/ddl-inherit.html ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend