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Self Doubt
jatin khachane 1
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Nov 2, 2018
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In Log-Based Recovery why do we redo committed transactions?
transaction-and-concurrency
jatin khachane 1
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Nov 2, 2018
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jatin khachane 1
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samarpita
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self doubt
every strict recoverable schedule is conflict serializable..if not then why?
samarpita
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transaction-and-concurrency
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ashunimbz
asked
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Databases
Mar 30, 2019
549
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Self doubt on 2PL protocol
How can 2PL protocol ( simple one ) ensure conflict serializability even though it cannot ensure freedom from deadlock ? I mean ,if a schedule is conflict serializable it has a conflict equivalent to a serial schedule and serial schedules won't have deadlocks .Right ?
ashunimbz
asked
in
Databases
Mar 30, 2019
by
ashunimbz
549
views
-2phaselocking
conflict-serializable
transaction-and-concurrency
databases
2
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3
vinay chauhan
asked
in
Databases
Jan 18, 2019
571
views
Self doubt, 2PL
Is different 2 phase locking a subset of each other? For example, if the schedule is Strict 2PL then it will also be simple 2PL. Something like a 2PL is a subset of Strict 2PL is a subset of rigorous 2PL.
vinay chauhan
asked
in
Databases
Jan 18, 2019
by
vinay chauhan
571
views
databases
2phaselocking
transaction-and-concurrency
concurrency
0
votes
0
votes
1
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4
jatin khachane 1
asked
in
Databases
Jan 16, 2019
1,293
views
Self Doubt
Is the following schedule conflict serializable T1 T2 T3 W(X) commit R(X) W(X) R(X) W(X) commit W(X) commit
jatin khachane 1
asked
in
Databases
Jan 16, 2019
by
jatin khachane 1
1.3k
views
transaction-and-concurrency
databases
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