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Home -> Community -> Usenet -> comp.databases.theory -> Re: choice of character for relational division
"Marshall" <marshall.spight_at_gmail.com> wrote:
[snip]
>So, if you had to choose an ascii character for
>relational division, which one would you use
>and why?
I would not do so unless the meaning was fairly obvious, and it did not horribly overload the character. Instead, I would pick a three-or-so-letter name. ("mod" is used by some. ALGOL used "DIV" and "REM".)
"|" is used a lot in one of my computing science classes. "|x|" can mean the absolute value of x, or the size of x. "x|y" means that x divides evenly into y. "|" is also used something like "such that", as in {x | x>0}. I do not like this overloading.
Sincerely,
Gene Wirchenko
Computerese Irregular Verb Conjugation:
I have preferences.
You have biases.
He/She has prejudices.
Received on Sun Apr 01 2007 - 01:04:11 CDT
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