ISRO Scientist/Engineer Question Paper Computer Science 2018

51. Question

Which of the following is dense index?

52. Question

In E-R model, Y is the dominant entity and X is subordinate entity

53. Question

Immunity of the external schemas (or application programs) to changes in the conceptual schema is referred to as:

54. Question

The set of attributes X will be fully functionally dependent on the set of attributes Y if the following conditions are satisfied.

55. Question

Let us assume that transaction T1 has arrived before transaction T2. Consider the schedule
S=r1(A); r2(B) ; w2(A) ; w1(B)
Which of the following is true?