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Home -> Community -> Usenet -> comp.databases.theory -> Re: NULLs: theoretical problems?
On 30 aug, 06:12, "V.J. Kumar" <vjkm..._at_gmail.com> wrote:
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As far as I can see it isn't. I first thought you were right, (hence my previous reply, although I'm still not claiming this is something original) but since Jim asked me about it I read it back, and as far as I can tell they don't have a corresponding notion of syntactical restriction which is pretty much at the core of the approach I'm talking about. So could you give a concrete reference and maybe a short explanationa of why you think it is the same?
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