Databasen - NULL dates

[Dave Hodgkinson]

On 18 Oct 2006, at 10:51, Nigel Rantor wrote:

>
> So, have been interviewing DB types lately, looking for a Guru.
>
> We got into a discussion about whether or not to use NULL values  
> for dates that are as-yet-unknown. anyone have strong feelings and  
> arguments either way?
>
> Interested to see where people stand.

I think NULL is exactly what it should be. Nearest thing to undef in  
a database,
no?

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http://www.davehodgkinson.com/