Question 717 Consider the following EMP table and answer the question below: Which of the following select statement should be executed if we need to display […]

Question 718 If R(A,B,C,D) is a relation schema, which is decomposed into R1(A,B,C) and R2(C,D), which of the following ensures that the given decomposition is non […]

Question 719 State whether TRUE or FALSE (i) Secondary index cannot be defined on key attribute values (ii) In B+ tree indexing the non-leaf nodes contain […]

Question 720 Referential integrity constraints works on the concept of: A Secondary key B Super key C Foreign key D Primary key Database-Management-SystemConstraintsJT(IT) 2018 PART-B Computer […]