On 11/2/05, Simon Riggs <[EMAIL PROTECTED]> wrote: > On Tue, 2005-11-01 at 18:15 -0500, Tom Lane wrote: > > Simon Riggs <[EMAIL PROTECTED]> writes: > > > Anybody like to work out a piece of SQL to perform data profiling and > > > derive the distribution of values with trailing zeroes? > > > > Don't forget leading zeroes. And all-zero (we omit digits entirely in > > that case). I don't think you can claim that zero isn't a common case. > > The question is: how common? > > For INTEGERs I would accept that many are often zero. For NUMERIC, these > are seldom exactly zero, IMHO.
Seconded. My INTEGER data does have a quite a few zeros but most of my NUMERIC columns hold debits and credits. Those are almost never zero. > > This is one of those issues where we need to run tests and take input. > We cannot decide this sort of thing just by debate alone. So, I'll leave > this as a less potentially fruitful line of enquiry. > > Best Regards, Simon Riggs > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings > -- Mike Rylander [EMAIL PROTECTED] GPLS -- PINES Development Database Developer http://open-ils.org ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
