List all possible schedules for transactions T[ and Tz from Figure 17.2, and determine which are conflict serializable (correct) and which are not.  How many serial schedules exist for the three...

List all possible schedules for transactions T[ and Tz from Figure 17.2, and determine which are conflict serializable (correct) and which are not.

 How many serial schedules exist for the three transactions in Figure 17.8(a)?

What are they? What is the total number of possible schedules?