How many regions do you have? Can you take the first key of each region as a sample? Le 2014-01-24 18:15, "Sudarshan Kadambi (BLOOMBERG/ 731 LEXIN)" < [email protected]> a écrit :
> Something like count 't1', {INTERVAL=>20} should give me every 20th row in
> table 't1'. Is there an easy way to get a random sample via. the shell
> using filters?
>
>
