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#Transaction-Schedules
Tuhin Dutta
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Databases
Aug 12, 2017
688
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1
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How to order these schedules in terms of flexibility of concurrency?
1. View serializable
2. Conflict Serializable
3.Recoverable
4.Strict
5.Cascadeless
databases
transaction-and-concurrency
view-serializable
conflict-serializable
strict-schedule
cascadeless-schedule
recoverable-schedule
Tuhin Dutta
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Databases
Aug 12, 2017
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Tuhin Dutta
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The order of schedules in terms of concurrency flexibility is :
View Serializable > Conflict Serializable > Recoverable > Strict > Cascadeless
Tuhin Dutta
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Aug 12, 2017
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Tuhin Dutta
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smsubham
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Aug 24, 2017
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Please explain the choice.
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Rohan Paliwal
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Oct 1, 2017
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can u explain i m confused with ur answer
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Nachiket Karambelkar
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Oct 7, 2017
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Please explain in detail..
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sachin486
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Dec 6, 2020
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exchange of places of cascadeless and strict is required
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view > conflict > strict > cascadless > recorable
Sunit Kumar
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Sep 15, 2017
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Sunit Kumar
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1
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Durgesh Singh
asked
in
Databases
Sep 30, 2017
890
views
Doubt Question on Transaction schedules
Consider a Serial Schedule given- T1 T2 T3 w1(A) w1(B) r2(A) w2(B) r3(A) w3(B) How many schedules which are view equivalent to above schedule? How many schedules which are confilct equivalent to above schedule? ... serializable/ view serializable? If yes How many serial schedules are possible which are conflict equivalent/ view equivalent to able schedule?
Durgesh Singh
asked
in
Databases
Sep 30, 2017
by
Durgesh Singh
890
views
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transaction-and-concurrency
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11
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11
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2
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vix28
asked
in
Databases
Sep 8, 2016
12,055
views
serializablity and recoverability of schedules
1) T1: R(X), T2: W(X), T1: W(X), T2: Abort, T1: Commit 2) T1: W(X), T2: R(X), T1: W(X), T2: Abort, T1: Commit 3) T1: W(X), T2: R(X), T1: W(X), T2: ... : Abort Can anyone explain whether these schedules are serializable, conflict-serializable, view serializable, recoverable, avoids-cascading-aborts, and strict? The abort operation actually bugging me.
vix28
asked
in
Databases
Sep 8, 2016
by
vix28
12.1k
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transaction-and-concurrency
concurrency
conflict-serializable
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0
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1
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3
aditi19
asked
in
Databases
Nov 18, 2018
613
views
Raghuramkrishnan
T1 T2 T3 W(Y) commit R(X) R(Y) W(Z) commit W(X) commit is this schedule a strict schedule?
aditi19
asked
in
Databases
Nov 18, 2018
by
aditi19
613
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Prabhanjan_1
asked
in
Databases
Dec 24, 2016
5,121
views
Schedules
$1)$ Find the number of all possible conflict-equivalent and view-equivalent schedules to the following serial schedules. (a) r1(A), w1(B), r2(A), w2(B), r3(A), w3(B).
Prabhanjan_1
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in
Databases
Dec 24, 2016
by
Prabhanjan_1
5.1k
views
transaction-and-concurrency
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