On Thu, Oct 8, 2015 at 2:37 AM, anuja jain <anujaja...@gmail.com> wrote:
> 1. Does creating secondary index on low cardinality columns like of > boolean type helps in read performance any ways? > No. > 2. Should secondary indexes be created on clustering columns even if these > columns are not frequently used in where clause of a query? > Secondary Indexes should generally not be used, IMO. =Rob