Re: So what's null then if it's not nothing?

On 17 Nov 2005 14:08:15 -0800, michael_at_preece.net wrote:

(snip)
> For us Pickies it's easy - null is
>equal to an empty string.

Hi Mike,

So that means that Pick can't distinguish an empty message from no message at all? Doesn't enable you to confirm that Pete has no academic title while still being unsure if Sue has one or not? Etc.

(snip)
> No such thing as maybe in computing. A bit is either on or it's
>off. Simple.

Yes, indeed. Much simpler than the real world, where things are not always black or white.

Unfortunately, we have to use these simple bit's to represent the real world as closely as possible. Including the concept of "maybe, I don't know".

Best, Hugo

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