"Perry Smith" <pedz@xxxxxxxxxxxxxxxx> writes: > I need to add an element to table A and an element to table B that reference > each other. The "polymorphic" gunk comes up because table B is not the same > table each time. Not that I haven't done similar things in the past but you should think hard about whether you can't normalize your data further to avoid this. It will make querying your data later much easier. (Think of what your joins are going to look like.) -- Gregory Stark EnterpriseDB http://www.enterprisedb.com