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The statement given below describes which of the ACID properties of transactions?
“The changes applied to the database by a committed transaction must persist in the database, and these changes must not be lost because of any failure”
- a)Durability
- b)Atomicity
- c)Isolation
- d)Consistency preservation
Correct answer is option 'A'. Can you explain this answer?
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The statement given below describes which of the ACID properties of tr...
Statement:
“The changes applied to the database by a committed transaction must persist in the database, and these changes must not be lost because of any failure”
ACID Properties:
A transaction in a database system must maintain Atomicity, Consistency, Isolation, and Durability − commonly known as ACID properties − in order to ensure accuracy, completeness, and data integrity.
Atomicity − This property states that a transaction must be treated as an atomic unit, that is, either all its operations are executed or none.
Consistency − The database must remain in a consistent state after any transaction. No transaction should have any adverse effect on the data residing in the database.
Isolation − In a database system where more than one transaction is being executed simultaneously and in parallel, the property of isolation states that all the transactions will be carried out and executed as if it is the only transaction in the system.
Durability − The database should be durable enough to hold all its latest updates even if the system fails or restarts.
Therefore, Durability is the answer.
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The statement given below describes which of the ACID properties of tr...
Explanation:
Durability:
Durability is one of the ACID properties of transactions in database systems. It ensures that once a transaction is committed, the changes made by that transaction persist in the database even in the event of a system failure. This means that the changes must be permanent and cannot be lost or undone due to any kind of failure.
Explanation of the given statement:
The statement "The changes applied to the database by a committed transaction must persist in the database, and these changes must not be lost because of any failure" perfectly describes the durability property of transactions. It emphasizes the importance of ensuring that the changes made by a committed transaction are durable and remain in the database even if there is a system failure.
Importance of Durability:
- Durability is crucial for maintaining the integrity and consistency of the database.
- It ensures that the database remains in a consistent state even after unexpected events such as power outages or hardware failures.
- Without durability, users may experience data loss or inconsistencies in the database, leading to potential errors and loss of trust in the system.
In conclusion, durability is a critical aspect of transaction processing in databases, as it guarantees that the changes made by committed transactions are permanent and will not be lost due to any failure.
Durability:
Durability is one of the ACID properties of transactions in database systems. It ensures that once a transaction is committed, the changes made by that transaction persist in the database even in the event of a system failure. This means that the changes must be permanent and cannot be lost or undone due to any kind of failure.
Explanation of the given statement:
The statement "The changes applied to the database by a committed transaction must persist in the database, and these changes must not be lost because of any failure" perfectly describes the durability property of transactions. It emphasizes the importance of ensuring that the changes made by a committed transaction are durable and remain in the database even if there is a system failure.
Importance of Durability:
- Durability is crucial for maintaining the integrity and consistency of the database.
- It ensures that the database remains in a consistent state even after unexpected events such as power outages or hardware failures.
- Without durability, users may experience data loss or inconsistencies in the database, leading to potential errors and loss of trust in the system.
In conclusion, durability is a critical aspect of transaction processing in databases, as it guarantees that the changes made by committed transactions are permanent and will not be lost due to any failure.
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The statement given below describes which of the ACID properties of transactions?“The changes applied to the database by a committed transaction must persist in the database, and these changes must not be lost because of any failure”a)Durabilityb)Atomicityc)Isolationd)Consistency preservationCorrect answer is option 'A'. Can you explain this answer?
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