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George Wilkinson
2024-02-06 16:48:49 +00:00
parent 17617d5ab3
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Semester 2/Database Systems/Week 4/Week 4 Database Systems.md
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@@ -59,7 +59,7 @@ At least one writes the item
T1 and T2 conflict as T2 writes data before T1 has completed. T1 and T2 conflict as T2 writes data before T1 has completed.
( 6 conflicts ) ( 6 conflicts )
T1 and T2 conflict as T1's write operation is overwritten by T2's write operation before either transaction is complete. T1 and T2 conflict as T1's write operation is overwritten by T2's write operation before either transaction is complete.
( 2 conflicts ) ( 3 conflicts )
T1 and T2 conflict as T1's write for X is overwritten by T2's write for X before either transaction is complete T1 and T2 conflict as T1's write for X is overwritten by T2's write for X before either transaction is complete
( 2 conflicts ) ( 2 conflicts )
T1 and T2 conflict as T1's write operation is overwritten by T2's write operation before either transaction is complete. T1 and T2 conflict as T1's write operation is overwritten by T2's write operation before either transaction is complete.