Question: Consider schedules S 3 , S 4 , and S 5 below. Determine whether each schedule is strict, cascadeless, recoverable, or nonrecoverable. S 3 :
Consider schedules S S and S below. Determine whether each schedule is strict, cascadeless, recoverable, or nonrecoverable. S: rx; rz; rz; rx; ry; wx; c; wy; c; ry; wz; wy;c S: rx; rz; rz; rx; ry; wx; wy; ry; wz; wy; c; c; c; S: rx; rz; rx; rz; ry; ry; wx; wz; wy; wy; c; c; Note: Ci in the above schedules denote commitment of transaction Ti Strict Schedule: A schedule in which transaction can neither read nor write an item Xuntil the last transaction that wrote X has committed or aborted.
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