Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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A rigorous two-phase locking technique is often used in
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- What are the repercussions of an attack on the referential integrity of a database? What kinds of mistakes are feasible?arrow_forwardFor starters, what is the definition of a lock? Why are they important for database management systems, exactly? Where do they fit into the picture of database management systems' concurrency control?arrow_forwardThe tamper-resistant property of a blockchain protects data stored on it. In what ways does the security of this tamper-resistant system outperform that of a normal business database system?arrow_forward
- The usage of sensitive and specific diagnostic locking is widespread in real-world implementations of database management systems. How come everyone seems to be using this protocol?arrow_forwardAssume a bank uses snapshot isolation to protect its database. How does a non-serializable execution affect the bank?arrow_forwardHow does the Two-Phase Locking protocol contribute to deadlock prevention in distributed databases, and what are its limitations?arrow_forward
- Explain the concept of multiversion concurrency control (MVCC). How does MVCC work in database systems, and what are its advantages over traditional locking-based approaches?arrow_forwardA blockchain's tamper-resistance feature safeguards data stored on it. In what ways does the security of this tamper-resistant system surpass that of a typical company database system?arrow_forward
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