Ask a Question

In crabbing protocol locking

in Education by
In crabbing protocol locking (a) Goes down the tree and back up (b) Goes up the tree and back down (c) Goes down the tree and releases (d) Goes up the tree and releases I had been asked this question in final exam. My enquiry is from Concurrency in Index Structures in division Concurrency Control of Database Management Select the correct answer from above options Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

1 Answer

0 votes
by
Right choice is (a) Goes down the tree and back up The explanation is: It moves in a crab like manner.

Related questions

0 votes
Q: If needed to split a node or coalesce it with its siblings, or redistribute key values between siblings, the crabbing protocol locks the parent of the node in ____________ mode.
    If needed to split a node or coalesce it with its siblings, or redistribute key values between siblings, ... , Database Interview Questions and Answers for Freshers and Experience...
asked Oct 11, 2021 in Education by JackTerrance
0 votes
Q: In crabbing protocol to inset or delete a key value the leaf node has to be locked in ___________ mode.
    In crabbing protocol to inset or delete a key value the leaf node has to be locked in ___________ ... Index Structures topic in section Concurrency Control of Database Management...
asked Oct 10, 2021 in Education by JackTerrance
0 votes
Q: In crabbing protocol, the lock obtained on the root node is in _________ mode.
    In crabbing protocol, the lock obtained on the root node is in _________ mode. (a) Shared (b) ... in Index Structures in portion Concurrency Control of Database Management...
asked Oct 10, 2021 in Education by JackTerrance
0 votes
Q: locking Property without a private variable
    Basically I want to achieve using a lock to a property that has no private variable, the goal is ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Apr 5, 2022 in Education by JackTerrance
0 votes
Q: How to stop right click dead-locking Visual Studio 2008
    I have a very serious problem with Visual Studio 2008. Occasionally when I right-click (for go to ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Mar 17, 2022 in Education by JackTerrance
0 votes
Q: How to stop right click dead-locking Visual Studio 2008
    I have a very serious problem with Visual Studio 2008. Occasionally when I right-click (for go to ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Mar 17, 2022 in Education by JackTerrance
0 votes
Q: How to stop right click dead-locking Visual Studio 2008
    I have a very serious problem with Visual Studio 2008. Occasionally when I right-click (for go to ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Mar 17, 2022 in Education by JackTerrance
0 votes
Q: How to stop right click dead-locking Visual Studio 2008
    I have a very serious problem with Visual Studio 2008. Occasionally when I right-click (for go to ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Mar 17, 2022 in Education by JackTerrance
0 votes
Q: Techniques to Get rid of low level Locking
    I'm wondering, and in need, of strategies that can be applied to reducing low-level locking. However ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked Mar 12, 2022 in Education by JackTerrance
0 votes
Q: If a node is locked in ____________ then explicit locking is being done at a lower level, with exclusive-mode or shared-mode locks.
    If a node is locked in ____________ then explicit locking is being done at a lower level, with exclusive- ... , Database Interview Questions and Answers for Freshers and Experience...
asked Oct 11, 2021 in Education by JackTerrance
0 votes
Q: If a node is locked in __________ explicit locking is being done at a lower level of the tree, but with only shared-mode locks.
    If a node is locked in __________ explicit locking is being done at a lower level of the tree, but ... Answers, Database Interview Questions and Answers for Freshers and Experience...
asked Oct 11, 2021 in Education by JackTerrance
0 votes
Q: Problems occurs if we don’t implement a proper locking strategy
    Problems occurs if we don't implement a proper locking strategy (a) Dirty reads (b) Phantom reads ( ... , Database Interview Questions and Answers for Freshers and Experience...
asked Oct 11, 2021 in Education by JackTerrance
0 votes
Q: Problems occurs if we don’t implement a proper locking strategy
    Problems occurs if we don't implement a proper locking strategy (a) Dirty reads (b) Phantom reads ( ... , Database Interview Questions and Answers for Freshers and Experience...
asked Oct 11, 2021 in Education by JackTerrance
0 votes
Q: If a node is locked in an intention mode, explicit locking is done at a lower level of the tree. This is called
    If a node is locked in an intention mode, explicit locking is done at a lower level of the tree. ... Answers, Database Interview Questions and Answers for Freshers and Experience...
asked Oct 11, 2021 in Education by JackTerrance
0 votes
Q: If a node is locked in ______________ the subtree rooted by that node is locked explicitly in shared mode, and that explicit locking is being done at a lower level with exclusive-mode locks.
    If a node is locked in ______________ the subtree rooted by that node is locked explicitly in shared ... Granularity topic in division Concurrency Control of Database Management...
asked Oct 10, 2021 in Education by JackTerrance

© Copyright 2018-2023 www.Blogmepost.com. All rights reserved. Developed by Blogmepost.

...