Question 295 Which of the following will undo all statements upto commit? A Transaction B Flashback C Rollback D Abort Database-Management-SystemTransactionsHCU PHD CS MAY 2015 Question […]

Question 296 The tuples in relation R(A,B) are {(1,2),(1,3), (3,4)) and the tuples in relation S(B,C) are (2,5), (4,6), (7,8)}. The number of tuples in the […]

Question 297 Consider a schema R(A, B, C, D, E) with functional dependencies A → B, B→ C, BC → A , A→D , E→A, D→E. […]

Question 298 What is the order p of a B+-tree given that the search key field is V=9 bytes long, the block size is B= 512 […]