Consider schedules 53' 54' and 55 below. Determine whether each schedule is strict, cascadeless, recoverable, or nonrecoverable. (Determine the strictest recoverability condition that each schedule...

Consider schedules 53' 54' and 55 below. Determine whether each schedule is

strict, cascadeless, recoverable, or nonrecoverable. (Determine the strictest recoverability condition that each schedule satisfies.)

53: rl (X); r2 (2); rl (2); r3 (X); r3 (Y); WI (X); CI; W3 (Y); C3; r2 (Y); W2 (2); W2 (Y); c2;

54: rl (X); r2 (2); rl (2); r3 (X); r3 (Y); WI (X); W3 (Y); r2 (Y); W2 (2); W2 (Y); CI; C2; c3;

55: rl (X); r2 (2); r3 (X); rl (2); r2 (Y); r3 (Y); WI (X); CI; W2 (2); W3 (Y); W2 (Y); C3; C2;