>>>>>>And if you don't define as what it is you will have problems.
>>>>
>>>>I'll only have problems if I allow it to exist.
>>>>There are no NULLS in any column in any row in any table I've ever designed and created, period.
>>>>If I run into them in other people's data, I mutter the unutterable and deal with them.
>>>
>>>Whatever the merits or demerits my suggestion would be that hired gun programmers learn to deal with databases like the ones you describe. In my experience they are ubiquitous and one needs to be able to program against them and submit scripts that honor the prohibition against nulls.
>>>
>>>I know that in the hundreds of tables I deal with every day in dozens of databases in a fairly large enterprise there are no null columns in production, period.
>>
>>Interesting. This being the very large financial institution you have mentioned?
>
>Yes. Dow Jones Indexes. Not actually a financial institution but a large international data collection, analysis and reporting service.

Hmmm, maybe that's why the economy sucks so bad. lol