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5. a) What is dirty read? b) Are there any dirty reads in the schedule in Figure-2? If so, mention which instructions are dirty
5. a) What is dirty read? b) Are there any dirty reads in the schedule in Figure-2? If so, mention which instructions are dirty reads (along with Line Numbers) and explain why they are dirty reads. 1. 2. 3. 4. 5. 16. 7. 8. 19. 10. 11. 12. 13. T1 w(X) w(Y) T2 w(Z) r(X) r(Z) w(P) T3 r(X) w(Y) r(X) Figure-2 T4 r(Y) w(Y) w(X) r(Y)
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A Dirty read also known as writeread conflict is a problem which arises when a transaction reads a v...
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Income Tax Fundamentals 2013
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
31st Edition
1111972516, 978-1285586618, 1285586611, 978-1285613109, 978-1111972516
