David Fetter wrote:
On Wed, Mar 14, 2007 at 02:28:03PM +0000, Gregory Stark wrote:
"David Fetter" <[EMAIL PROTECTED]> 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.

What's in the symptom table is up to the doctor.

Surely the point is that for "high temperature" I need a temperature value, whereas for "tooth decay" I'll want a tooth number (or whatever they use). Which brings us back to where we started...

  Richard Huxton
  Archonet Ltd

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