"Qingqing Zhou" <[EMAIL PROTECTED]> writes: > By "did this 100 times" do you mean generate a sequence of at most > 200000*100 numbers, and for every 200000 numbers, the first half are all > zeros and the other half are uniform random numbers?
No, I mean I ran the bit of SQL script I gave 100 separate times. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org