0 votes 0 votes According to me, the answer should be option D only! please verify! Databases databases + – Utkarsh Joshi asked Oct 21, 2018 edited Oct 21, 2018 by Utkarsh Joshi Utkarsh Joshi 704 views answer comment Share Follow See all 21 Comments See all 21 21 Comments reply Show 18 previous comments Shaik Masthan commented Oct 22, 2018 reply Follow Share for showing it is false, just one counter example sufficient. but for showing it is true, just one example is not sufficient, it should satisfy all the cases 0 votes 0 votes Somoshree Datta 5 commented Oct 22, 2018 reply Follow Share ok..got it.. So only option iii should be right in that case..right? 0 votes 0 votes Shaik Masthan commented Oct 22, 2018 reply Follow Share yes 0 votes 0 votes Please log in or register to add a comment.