MODERN DATABASE MGMT.(PEARSON CHANNEL)
13th Edition
ISBN: 9780136709299
Author: Hoffer
Publisher: PEARSON
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Chapter 7, Problem 7.4RQ
Program Plan Intro
Contrast the following terms:
Two-tier and three-tier architecture.
Fat client and thin client.
Optimistic concurrency control and pessimistic concurrency control.
Deadlock prevention and deadlock resolution.
Shared lock and exclusive lock.
Two-phase locking protocol and versioning.
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Concurrency control is a concern in Distributed Database Systems, just as it is in other distributed systems. Is it necessary to apply concurrency control mechanisms like 2PL (two-phase locking) in a situation where fragments are not replicated? Explain.
Concurrency control is a problem for distributed database systems, just as it is for other kinds of distributed systems. Is the use of concurrency management techniques like two-phase locking (2PL) really essential in a setup where no parts are duplicated? Explain.
Concurrency control in distributed databases, as in other distributed systems, is difficult.
Can 2PL (two-phase locking) be utilised because there are no duplicates?
Explain?
Chapter 7 Solutions
MODERN DATABASE MGMT.(PEARSON CHANNEL)
Ch. 7 - Prob. 7.1RQCh. 7 - Prob. 7.2RQCh. 7 - Prob. 7.3RQCh. 7 - Prob. 7.4RQCh. 7 - Describe the advantages and disadvantages of...Ch. 7 - Describe the common components needed to create a...Ch. 7 - What are the six common steps needed to access...Ch. 7 - Prob. 7.8RQCh. 7 - Prob. 7.9RQCh. 7 - Prob. 7.10PAE
Ch. 7 - Prob. 7.11PAECh. 7 - Prob. 7.12PAECh. 7 - Prob. 7.13PAECh. 7 - Find some dynamic Web site code, such as that...Ch. 7 - Prob. 7.15PAECh. 7 - Prob. 7.16PAECh. 7 - Prob. 7.17PAECh. 7 - Consider the example code shown in Figure 7-10....Ch. 7 - Prob. 7.19PAECh. 7 - Prob. 7.20PAECh. 7 - Prob. 7.21PAECh. 7 - Prob. 7.22PAECh. 7 - Prob. 7.23PAECh. 7 - Prob. 7.24PAE
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Explain the concept of distributed deadlock detection and resolution. What strategies can be employed to handle deadlocks in a distributed environment?arrow_forwardConcurrency control is a problem in Distributed Database Systems, just as it is in other distributed systems. Is it necessary to impose concurrency management techniques such as 2PL (Two-phase locking) in a situation where fragments are not replicated? Explain.arrow_forwardDistributed database systems, like other distributed systems, have the same concurrency management challenges as other distributed systems. Is it required to apply concurrency control solutions such as 2PL (Two-phase locking) on a system with no duplicated components? Explain.arrow_forward
- Distributed database concurrency management is difficult, like in other distributed systems. Can 2PL (two-phase locking) be used as there are no duplicates? Explain?arrow_forwardExplain how two-phase locking (2PL) and two-phase commit (2PC) protocols are used for concurrency control and distributed transactions, respectively.arrow_forwardExplain the concept of distributed concurrency control and its significance.arrow_forward
- Describe the two-phase locking protocol and its advantages in concurrency control.arrow_forwardDistributed database systems, like other distributed systems, have a concurrency management challenge that is comparable to that of other distributed systems. Is it necessary to enforce concurrency management strategies such as 2PL (Two-phase locking) on a system given that components are not duplicated? Explain.arrow_forwardExplain the two-phase locking protocol and its significance in concurrency control.arrow_forward
- Distributed database systems have the same challenges with concurrency control as other types of distributed systems. In a configuration in which pieces are not duplicated, is it necessary to apply concurrency control methods such as two-phase locking (also known as 2PL)? Explain.arrow_forwardExplain how deadlock can occur in a multithreaded application and provide an example.arrow_forwardDiscuss the concept of distributed concurrency control in DDBMS. How do distributed locking and timestamp-based protocols ensure data consistency in a distributed system?arrow_forward
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