Re: Examples of SQL anomalies?
Date: Thu, 26 Jun 2008 14:58:06 -0700
"Artemus Ward" <artemus.ward_at_no.viagra.thanks> wrote:
>Before I waste a big chunk of next week, does anyone know of any docs on the
>web that attempt to gather together examples of anomolous behaviour in
>standard SQL? I am thinking particularly of things like inconsistent
>treatment of nulls. I've got a couple of (to me) very obvious examples but
>there must be many more.
>Failing that, can anyone suggest good Google search terms that might return
>a manageable number of hits? Nothing I've tried has been very useful.
Others have mentioned nulls. One of my pet peeves in this area is that in SQL, if I sum zero numbers, the result is null. Mathematically, the result is 0. I have an app where I have had make adjustments where it is possible that zero numbers are summed.
Try this one about duplicates: http://www.dbdebunk.com/page/page/627052.htm
Computerese Irregular Verb Conjugation:
I have preferences. You have biases. He/She has prejudices.Received on Thu Jun 26 2008 - 23:58:06 CEST