Re: Salting technique doubt

2022-07-30 Thread Amit Joshi
Hi Sid, Salting is normally a technique to add random characters to existing values. In big data we can use salting to deal with the skewness. Salting in join cas be used as : * Table A-* Col1, join_col , where join_col values are {x1, x2, x3} x1 x1 x1 x2 x2 x3 *Table B-* join_col, Col3 , where

Salting technique doubt

2022-07-30 Thread Sid
Hi Team, I was trying to understand the Salting technique for the column where there would be a huge load on a single partition because of the same keys. I referred to one youtube video with the below understanding: So, using the salting technique we can actually change the joining column