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what is difference between hash and modles partation techniq

Posted: Fri Mar 18, 2011 1:43 am
by srinivas.chimakurthi1
hi,

what is difference between hash and modules partation techniques please give me guide on this

Thanks,
Srinivas

Posted: Fri Mar 18, 2011 8:13 am
by battaliou
Modulus is a keyed partioning method where rows are evenly distributed according to the values in one integer key column i.e. partition = MOD(key_value / @NUMPARTITIONS) This is quicker than hash which uses cyclic redundancy check

Posted: Fri Mar 18, 2011 3:39 pm
by ray.wurlod
When's the interview?