Question 564 The student marks should not be greater than 100. This is A Integrity constraint B Referential constraint C Over-defined constraint D Feasible constraint Database-Management-SystemConstraintsUGC […]
Question 67 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 […]