How does releasing all locks at the end of a transaction relate to two-phase locking?
Q: What do you mean by nested transaction? Explain the usage of locks in nested transaction.
A: Given Data nested transactions And usages of locks in nested transaction
Q: When building a database system, it's typical to apply strict two-phase locking. What is it about…
A: Considering the information provided: We must provide the tight two-phase locking that is often used…
Q: What happens if you do not declare transaction isolation level and cursor type to a DBMS? Is not…
A: Given: What happens if you do not declare transaction isolation level and cursor type to a DBMS? Is…
Q: What benefit does rigorous two-phase locking provide? How does it compare with other forms of…
A: Rigorous two phase locking is a stricter locking protocol. In this protocol, all locks are held till…
Q: What is Transaction integrity and why it is important.
A: To Do: To define Transaction integrity and to explain why it is important.
Q: Show that the two-phase locking protocol ensures conflict serializability and that transactions can…
A: In the strict two-phase locking protocol, locks are obtained and released in two separate phases.
Q: What is the advantage of strict two-phase locking? What does it have in common with other types of…
A: Introduction: Rigorous two-phase locking provides many benefits over strict two-phase locking.…
Q: What is a lock? Briefly explain the differences between shared (S) and exclusive (X) locks?
A: Answer is in Step 2
Q: means that data used during the execution of a transaction cannot be used by a second transaction…
A: Atomicity: 1) Those operations that finish their tasks as a whole, no other interruption is allowed…
Q: Fill in the blank: A transaction is made to wait until all ________ locks held on the item are…
A: Question. Fill in the blank: A transaction is made to wait until all ________ locks held on the…
Q: What is the relationship between releasing all locks at the end of a transaction and two-phase…
A: Answer: We need to explain the working of releasing all the locks at the end of transactions related…
Q: Describe transaction-level consistency. What disadvantage can exist with it?
A: Lets see the solution.
Q: Explain the difference between an explicit lock and an implicit lock.
A: Given:- Explain the difference between an explicit lock and an implicit lock.
Q: __________ rollback requires the system to maintain additional information about the state of all…
A: Exрlаnаtiоn: In tоtаl rоllbасk аbоrt the trаnsасtiоn аnd then restаrt it.
Q: What advantages does strict two-phase locking provide? How does it stack up against other types of…
A: Intro According to strong stringent two-phase locking (SS2PL), the locking protocol releases both…
Q: Explain the difference between explicit and implicit locks.
A:
Q: When using locks to avoid race conditions, a possible side effect is a deadlock. Describe what a…
A: Locks are used by processes when they need to access or update a shared resource. This is done in…
Q: 5. If a transaction does not modify the database until it has committed, it is said to use the…
A: Please find the answer to the above question below:
Q: 6. If database modifications occur while the transaction is still active, the transaction is said to…
A: please do upvote for my efforts! answer: c) immediate modification
Q: What is a transaction lock and why is it necessary? Name the two lock types that exist.
A: Transaction locks can de defined as:- Locks are used by transactions for solving the problem of…
Q: A transaction completes its execution is said to be a. Saved b. Loaded c. Rolled d. Committed
A: A transaction the completes its execution is said to be Committed. Committing a transaction means…
Q: 90. ____ means that the data used during the execution of a transaction cannot be used by a second…
A: Please find the answer to the above question below:
Q: A new timestamp is assigned to a transaction if it is rolled back in timestamp order. Why can't it…
A: Timestamp Timestamp is a unique identifier created by the DBMS to identify the relative starting…
Q: The following table presents the lock requests by transactions T1, T2, T3, and T4. S(.) and X(.)…
A: Lets start with X(B) to T1 ->granted X(A) to T4 -> granted S(C) to T3 -> granted But…
Q: To begin, you must first create a transaction in the database. In the discussion that follows, we'll…
A: In light of the query Devices linked to your network are shielded from internet intruders by a home…
Q: 41. If a transaction does not modify the database until it has committed it is said to use a _______…
A: please see the next step for solution
Q: . _______ means that data used during the execution of a transaction cannot be used by a second…
A: Isolation means that data used during the execution of a transaction can't be used by a second…
Q: Question Write rules for connecting of nested transaction.
A: Rules for connecting of nested transaction are given below:-
Q: Is it possible to get locked out throughout the transaction process? Would you mind stating when…
A: INTRODUCTION: Accurate, the transaction is locked. Locking is used to provide ACID qualities by…
Q: During the transaction process, does it experience lockout? If so, at what point? Explain.
A: Yes, Transaction undergoes the locking process. To achieve ACID properties, Locking is implemented…
Q: Explain the distinction between an explicit and an implicit lock.
A: Given: Explain the distinction between an explicit and an implicit lock.
Q: Is there a connection between two-phase locking and releasing all locks at the conclusion of a…
A: Answer: We need to describe how 2 phase locking works in terms of releasing all locks at the…
Q: What are the several stages that make up a SET Transaction?
A: SET, which stands for "secure electronic transaction," is a system that protects the significant…
Q: using locks to avoid race conditions
A: Given :- Race Condition in process synchronization is mention in the above given question Need to…
Q: 14. Rollback of transactions is normally used to : a. recover from transaction failure b. update the…
A: Please find the answer to the above question below:
Q: When a transaction is rolled-back under timestamp ordering, it is assigned a new timestamp. Why can…
A: Explanation: Timestamp ordering protocol uses a unique timestamp for each transaction. When a…
Q: What is lock granularity?
A: Lock Granularity:- There are different types of lock are used in database management system. Some…
Q: When a deadlock is detected the recovery is normally accomplished by : a. rollback of transaction b.…
A: locking of data: Data locking guarantees that access to a collection of data is maintained…
Q: The state of the data accessed by an aborted transaction must be restored to what it was just before…
A: Question. The state of the data accessed by an aborted transaction must be restored to what it was…
Q: Discuss as cenario where deadlock is occurred while executing transaction. Suppose you have two…
A: Given : Discuss a scenario where a deadlock has occurred while executing a transaction. Suppose you…
Q: What is the connection between two-phase locking and the practise of releasing all locks at the…
A: The answer is given below:
Q: lock should be obtained to prevent a concurrent transaction from executing a conflicting read,…
A: lock should be obtained to prevent a concurrent transaction from executing a conflicting read,…
Q: Refer to the sequence below. What is the isolation level of transaction E? session begins SET GLOBAL…
A: Please see the next step for solution:-
Q: Question 6 Transaction 1: Set Transaction Isolation Level Repeatable Read; Select count(*) Froe R;…
A: Note: There are multiple questions are given in one question. According to the rule, you will get…
Q: What type of lock do you have when many transactions are allowed to read the same data but none are…
A: Actually, given information regarding transaction.
How does releasing all locks at the end of a transaction relate to two-phase locking?
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- How does "snapshot isolation" help in minimizing conflicts during transactions?When a transaction is rolled back in accordance with timestamp ordering, a new timestamp is assigned to it. Why can't it simply retain its previous timestamp?When a transaction is rolled-back under timestamp ordering, it is assigned a new timestamp. Why can it not simply keep its old timestamp?
- A new timestamp will be applied to a transaction in line with the ordering of timestamps if that transaction is rolled back. Why is it that it can't just keep the timestamp that it had before?How does the "serializability" property ensure transaction correctness?100. _______ means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed. a. Serializability b. Atomicity c. Isolation d. Time stamping