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Recent questions tagged graph-based-protocol
1
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1
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1
Graph based protocol
Is there a chance for Deadlock in Graph based protocol?
Heena Jain
asked
in
Databases
Aug 5, 2017
by
Heena Jain
672
views
graph-based-protocol
databases
1
vote
2
answers
2
Graph based protocol
I have been reading about the tree protocol as an approach in locking management in databases. I read that it is deadlock free but I am not sure how it works. Example: Assume that T1 has locked B, D, E in exclusive mode. According to the rules: T2 can lock ... it has to lock D but D is locked by T1 so it has to wait. Hence deadlock. What am I misunderstanding in the algorithm?
shashank023
asked
in
Databases
Jul 25, 2017
by
shashank023
2.7k
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graph-based-protocol
transaction-and-concurrency
concurrency
databases
0
votes
0
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3
graph based protocol
In Graph based Protocol :- Why acquireing second lock on a data item needs to lock their parent data in tree . please explain
indrajeet
asked
in
Databases
Jun 16, 2016
by
indrajeet
580
views
databases
concurrency
graph-based-protocol
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