Consider the following segment of the log record containing the actions taken by...
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Consider the following segment of the log record containing the actions taken by transactions beforethe crash.
⟨T3 start⟩⟨T3, D, 200, 50⟩⟨T1 start⟩⟨checkpoint {T1, T3}⟩⟨T1, A, 100, 150⟩⟨T2 start⟩⟨T2, B, 200, 500⟩⟨T1, C, 50, 100⟩⟨T2 commit⟩⟨T3, D, 50, 150⟩⟨T3 abort⟩
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