0 votes 0 votes In what kind of index does an index entry appear only for certain keys? 1. Dense 2. Sparse 3. Simple 4. Inner Databases nptel-quiz databases + – gulsanchouhan asked Aug 25, 2017 gulsanchouhan 478 views answer comment Share Follow See 1 comment See all 1 1 comment reply sachin! commented Aug 25, 2017 reply Follow Share sparse 1 votes 1 votes Please log in or register to add a comment.
0 votes 0 votes For Sparse Index, also the main file should be sorted, as in that case we can take the liberty of placing only one key from a block in index file. smsubham answered Aug 26, 2017 smsubham comment Share Follow See all 0 reply Please log in or register to add a comment.