October 14, 2023
Question 18 Consider the join of a relation R with a relation S. If R has m tuples and S has n tuples then the maximum […]
October 14, 2023
Question 8 Which one is correct w.r.t. RDBMS ? A primary key ⊆ super key ⊆ candidate key B primary key ⊆ candidate key ⊆ super […]
October 15, 2023
Question 98 Consider a relation scheme R = (A, B, C, D, E, H) on which the following functional dependencies hold: {A → B, BC → […]
October 16, 2023
Question 705 If D={R1,R2} is a decomposition of R, and F is the set of functional dependencies on R, then which of the following ensures that […]