Question: Add the operation commit at the end of each of the transactions T 1 and T 2 from Figure 21.2; then list all possible schedules

Add the operation commit at the end of each of the transactions T 1 and T 2 from Figure 21.2; then list all possible schedules for the modified transactions. Determine which of the schedules are recoverable, which are cascadeless, and which are strict.

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T 1 T 2 readitem X readitem X X X N X X M writeitem X writeitem X readitem Y commit T 2 Y Y N writeitem Y commit T 1 The transactions can be written as follows using the shorthand notation T 1 r 1 X w ... View full answer

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