0 votes 0 votes Databases indexing + – shivanisrivarshini asked Jan 14, 2016 shivanisrivarshini 315 views answer comment Share Follow See 1 comment See all 1 1 comment reply akash.dinkar12 commented Oct 21, 2018 reply Follow Share first, u should read/understand the concept through some standard videos or resources then if u any doubt then u can post here. 0 votes 0 votes Please log in or register to add a comment.