Database classes

3, (20%)Consider the following classe s of scheduies: serializable, conflict-serializable, view- izable, recoverable. For each of the following schedules, state which of the preceding classes it belongs to. If you cannot decide whether a schedule b elongs in a certain class based on the listed actions, explain briefly. Th prefixed with the transaction name. If a commit or abort incomplete; assume that abort or commit must follow all the I (a) T1:R(X), T2:R(x), T1:W(X), T2:W(x) (b) T1:W(X), T2:R(Y), T1:R(Y), T2:R(X) e actions are listed in the order they are scheduled and is not shown, the schedule is T1:R(X), T2 :W(X), T1:W(X), T2:Commit, T1:Commit T2: R(X), T3:W(X), T3:Commit, T1:WM), T1:Commit, T2:RIY (c) (d)