Consider the following database schedule with two transactions, T1 and T2. S = r2(X); r1(X); r2(Y); w1(X); r1(Y); w2(X); a1; a2 where ri(Z) denotes a read […]
The table shows the number of people in different age groups who responded to a survey about their favourite style of music. Use this information to […]
Define the language INFINITEDFA ≡ {A|A is a DFA and L(A) is an infinite language}, where A denotes the description of the deterministic finite automata (DFA). […]