"David Fetter" <david@fetter.org> writes:
> CREATE TABLE symptom (
> symptom_id SERIAL PRIMARY KEY, /* See above. */
> ...
> );
>
> CREATE TABLE patient_presents_with (
> patient_id INTEGER NOT NULL REFERENCES patient(patient_id),
> symptom_id INTEGER NOT NULL REFERENCES symptom(symptom_id),
> UNIQUE(patient_id, symptom_id)
> );
I'm just glad I don't have your doctor. I hope mine doesn't think symptoms are
all boolean values.
-- Gregory Stark EnterpriseDB http://www.enterprisedb.com