1 votes 1 votes Can someone please explain the restructuring of b+ tree in delete 15 step? I mean after 16,20,25 becomes the child of 13 ,after that it is not clear,how does 11 become the root? Databases b-tree databases + – resilientknight asked Sep 13, 2016 • retagged Jun 4, 2017 by Arjun resilientknight 1.1k views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply Pavan Kumar Munnam commented Sep 13, 2016 reply Follow Share After deletion 13... Why 13 is still there? 0 votes 0 votes Aboveallplayer commented Sep 19, 2016 reply Follow Share now thats a good question 0 votes 0 votes sushmita commented Jan 9, 2017 reply Follow Share Same doubt. It's incorrect. Can someone telle any resource to learn b+ tree deletion? 0 votes 0 votes Please log in or register to add a comment.