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Dave Watts wrote:

>> Yup, and it'll give you the default value for that field. I 
>> don't see how this is a criticism.
> 
> You're kidding, right? That defeats the entire purpose of NULL. How would
> you differentiate between default values and NULLs?

I think that more points to a flaw in the concept of NULLs in SQL
(which, as it happens, is one of the most criticised aspects of the
language) than a flaw in MySQL per-se.

The real problem is that NULL is seriously overloaded in SQL. I wasn't
defending MySQL's behaviour--though I can see how you could infer
that--just pointing out that the real problem is elsewhere.

K.
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