Consider the schedule R $*1($x$)$ R $*2($x$)$ W $*3($x$)$ W $*1($x$)$ R $*1($y$)$ W $*1($y$)$ W $*3($z$)$ R $*2($z$)$ W$2($y$),$ W $*2($z$)$

Schedule is recoverable, not cascadeless and not conflict serializable

Schedule is recoverable, cascadeless and conflict serializable

Schedule is not recoverable, cascadeless and not conflict serializable

Schedule is not recoverable, not cascadeless and not conflict serializable