DBMS Lec 48 : Graph Based Protocols | Tree Based Protocols | Dinesh Bhawnani

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Understanding Tree-Based Protocols in DBMS
Define tree-based protocols in DBMS. How do they differ from other concurrency control mechanisms?
Explain the key principles of tree-based protocols in ensuring serializability.
Discuss the advantages and limitations of tree-based protocols in transaction management.
Compare and contrast tree-based protocols with two-phase locking (2PL).
Why is the hierarchical structure important in tree-based protocols?
Consider a transaction system using a tree-based protocol. If a transaction locks a parent node, what conditions must be met before it can lock a child node?
Discuss how tree-based protocols prevent deadlocks in database systems. Provide examples.
Analyze the impact of tree-based protocols on system performance compared to other locking mechanisms.
Evaluate the scenarios where tree-based protocols are most effective.
Create an example to demonstrate how tree-based protocols ensure serializability and explain the process step-by-step.
Can tree-based protocols be modified to allow more flexibility without compromising serializability? Justify your answer with examples or theoretical reasoning.
Critique the scalability of tree-based protocols in distributed databases. What challenges might arise, and how can they be addressed?
Discuss how tree-based protocols align with modern database technologies like NoSQL or NewSQL systems.