Question 813 Identify the true statement from the given statements (1) Number of child pointers in a B/ B+ tree node is always equal to number […]

Question 814 Identify the true statement from the given statements. (1) Lossless, dependency preserving decomposition into 3NF is always possible (2) Any relation with two attributes […]

Question 817 Let R1(a,b,c) and R2(x,y,z) be two relations in which a is the foreign key of R1 that refers to the primary key of R2 […]

Question 818 Database systems that store each relation in a separate operating system file may use the operating system’s authorization scheme, instead of defining a special […]