On Thu, Feb 3, 2011 at 6:05 PM, Robert Haas <[email protected]> wrote:
> > If you want to randomly pick 10,000 rows out of all the rows that are > going to be inserted in the table without knowing in advance how many > there will be, how do you do that? > Reservoir sampling, as the most well-known option: http://en.wikipedia.org/wiki/Reservoir_sampling -- - David T. Wilson [email protected]
