Question 47 Consider the following two transactions: T1 and T2. T1: read(A); read(B); if A=0 then B ← B+1; write(B); T2: read(B); read(A); if B≠0 then […]

Question 3 Which of the following statement is correct ? 1.Ackermann’s function is primitive recursive 2.L={anbkcn+k:n>=0,k>=0} is regular language 3.L={anbj:n=j2} is not context free language 4.For […]

Question 724 E-R model uses this symbol to represent weak entity set? A Dotted rectangle B Diamond C Doubly outlined rectangle D None of these Database-Management-SystemER-ModelNielit […]