1 votes 1 votes Minimum number of relations or tables required ? Databases databases er-diagram + – Xylene asked Sep 19, 2017 Xylene 1.5k views answer comment Share Follow See all 8 Comments See all 8 8 Comments reply Show 5 previous comments Xylene commented Sep 20, 2017 i edited by Xylene Sep 20, 2017 reply Follow Share Ok, Suppose if E5 would have been strong entity and participation of M would have been partial then can we merge R3 E3 R6 ? If yes, then what would be the new PK? @Habibkhan 0 votes 0 votes Habibkhan commented Sep 20, 2017 reply Follow Share No I think we cannot merge in that case as well as R6 is a weak relationship.. 1 votes 1 votes Xylene commented Sep 20, 2017 reply Follow Share Just consider that it's a strong relationship. I want to just know if we can merge in that case. 0 votes 0 votes Please log in or register to add a comment.
1 votes 1 votes 7 relations are required KIRTI12345 answered Dec 20, 2017 KIRTI12345 comment Share Follow See all 0 reply Please log in or register to add a comment.