0 votes 0 votes This index is a dense index ...right ...??? Databases databases indexing + – vignesh asked Apr 26, 2017 • retagged Aug 5, 2017 by Arjun vignesh 463 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Prateek Dwivedi commented Apr 26, 2017 reply Follow Share No, it is not. For a dense index, there needs to be an entry for every record of the database in the index file. Read this for more clarification. 0 votes 0 votes akash.dinkar12 commented Apr 27, 2017 i edited by akash.dinkar12 Oct 23, 2018 reply Follow Share It is not a dense index because dense index definition itself says for every search key value in the data file, there should be an entry in the index file. here in this example search key value 4 does not have any index in index file. 1 votes 1 votes Please log in or register to add a comment.