https://www.dotnetzone.gr:443/cs/blogs/dotnetrules/archive/2012/04/19/looking-into-sparse-columns-in-sql-server.aspxIn this rather short post I would like to provide you with a hands-on example on SPARSE columns. Sparse columns are very useful when we have tables and columns with many zero and NULL values.This feature was introduced in SQL Server 2008.We have a betterelCommunityServer 2.1 SP3 (Build: 20423.1)