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Home -> Community -> Usenet -> comp.databases.theory -> Re: Demo: Modelling Cost of Travel Paths Between Towns
> > Attempts to mask NULLs with unknowns or any other value, don't work
> > (you must not have read my prior posts expounding the above point).
>
> Let's say the users have agreed to use the value 0 to indicate unknown age.
If two things have age 0, is it true or false that their ages are equal? Received on Wed Nov 17 2004 - 20:40:02 CST
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