On Sun, Aug 21, 2011 at 20:29, Richard O'Keefe <o...@cs.otago.ac.nz> wrote:
> Values in data bases often represent sums of money, for which reading (1) > is > appropriate. One tenth of $2.53 is $0.253; rounding that to $0.25 would in > some circumstances count as fraud. > > Of course, values in data bases often represent physical measurements, for > which > reading (2) is appropriate. There is, however, no SQL data type that > expresses > this intent. > Interestingly, my original exposure to this was math for physics, which would imply reading (2) if I understand this correctly, yet I was taught (1). (Later exposure was for business databases, so (1) was still appropriate.) -- brandon s allbery allber...@gmail.com wandering unix systems administrator (available) (412) 475-9364 vm/sms
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