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Recent questions tagged dirty

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1
Is the given schedule Recoverable
S=r1(A),w2(A),r3(A),w1(A),w3(A) Is this Schedule Non Recoverable? As there is a dirty read happening at w2(A)->r3(A)
S=r1(A),w2(A),r3(A),w1(A),w3(A)Is this Schedule Non Recoverable? As there is a dirty read happening at w2(A)->r3(A)
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2
Does Dirty Read Imply Non Recoverable Schedule
If I have dirty read which is write-read conflict does it imply that the schedule is non recoverable? Do all anomalies result of conflict result in non recoverable thereby non serializable schedules?
If I have dirty read which is write-read conflict does it imply that the schedule is non recoverable?Do all anomalies result of conflict result in non recoverable thereby...
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3
Dirty Read
The Transaction : - T1 T2 R(a) W(a) R(a) C C The above shown schedule is not Dirty read Right ?
The Transaction : - T1 T2 R(a) W(a) R(a) C CThe above shown schedule is not Dirty read Right ?
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5
Cascadeless/ Recoverable
The given schedule: R1 (A) R2 (B) W2 (B) W1(A) W2 (A) Commit2 R1 (C) is revoreable, cascadeless or strict?
The given schedule:R1 (A) R2 (B) W2 (B) W1(A) W2 (A) Commit2 R1 (C)is revoreable, cascadeless or strict?
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