3 votes 3 votes " For any data file, it is possible to construct two separate dense first level indexes on different keys. " How the above statement is true ?? Databases made-easy-test-series databases file-system indexing + – ashish pal asked Dec 26, 2017 edited Mar 7, 2019 by Aditi Singh ashish pal 474 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes True... Avik Chowdhury answered Mar 30, 2018 Avik Chowdhury comment Share Follow See all 3 Comments See all 3 3 Comments reply Avik Chowdhury commented Mar 30, 2018 reply Follow Share It is the example of secondary indexing. 1 votes 1 votes Pratyush Priyam Kuan commented Sep 15, 2020 reply Follow Share Can you please explain a bit. 0 votes 0 votes sachin486 commented Sep 30, 2020 reply Follow Share you tube video of secondary index by sanchit jain will help u understanding this example 0 votes 0 votes Please log in or register to add a comment.