(no subject)
31 March 2002 14:24![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
denbloody SQL assignment is killing me.
"List all data from the Person table who are niether staff nor patients."
fucked if I know.
Why does
WHERE person.person_id = staff.person_id
AND person.person_id = admission.patient_id
work and
WHERE person.person_id <> staff.person_id
AND person.person_id <> admission.patient_id
not?
"List all data from the Person table who are niether staff nor patients."
fucked if I know.
Why does
WHERE person.person_id = staff.person_id
AND person.person_id = admission.patient_id
work and
WHERE person.person_id <> staff.person_id
AND person.person_id <> admission.patient_id
not?
![[identity profile]](https://www.dreamwidth.org/img/silk/identity/openid.png){kind=small}
my brain hurts
Date: 31 Mar 2002 01:22 (UTC)New Hoo Hoo Math!
It won't do you a bit of good to try and review math!
It's so simple, so very simple, that only a child can do it!!
-Tom Lehrer/New Math (after a long explanation of a hundreds multiplication table doone is base 8 with additions and distractions).
I can't even begin to decipher either problem. Just reading the abbreviations made my temples throb.I'll stick to HTML for dumbos.:D