Question 817 Consider the following tables (relations): Primary keys in the tables are shown using Underline. Now, Consider the following query: SELECT S.Name, Sum (P.Marks) FROM […]

Question 5 A primary key, if combined with a foreign key creates A parent child relationship between the tables that connect them B many-to-many relationship between […]

Question 4 A functional dependency of the form x → y is trivial if A y ⊆ x B y ⊂ x C x ⊆ y […]

Question 43 In functional dependency between two sets of attribute A and B then set of attributes A of database is classified as: A Top right […]