On 05/28/2004 06:03:33 PM, Lex de Haan wrote: > Ah -- roman numerals ... my favorite topic, as a mathematician ... Well, I happen to be one, too. That is why I like Cantor's naive set theory, after which relational databases are modelled. Addition of NULL extends the theory a little bit, but I find the extension quite useful. -- Mladen Gogala Oracle DBA ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------