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Which of the following is a characteristic of a transaction in a database?
Which of the following is a characteristic of a transaction in a database?
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Practice Questions
1 question
Q1
Which of the following is a characteristic of a transaction in a database?
Atomicity
Redundancy
Isolation
Both Atomicity and Isolation
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Transactions in a database are characterized by properties known as ACID: Atomicity, Consistency, Isolation, and Durability.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following is a characteristic of a transaction in a database?
Solution:
Transactions in a database are characterized by properties known as ACID: Atomicity, Consistency, Isolation, and Durability.
Steps: 6
Show Steps
Step 1: Understand that a transaction is a sequence of operations performed as a single logical unit of work in a database.
Step 2: Learn about the ACID properties that define transactions:
Step 3: Atomicity means that all operations in a transaction must complete successfully, or none at all.
Step 4: Consistency ensures that a transaction brings the database from one valid state to another valid state.
Step 5: Isolation means that transactions do not interfere with each other, even if they are executed at the same time.
Step 6: Durability guarantees that once a transaction is committed, it will remain so, even in the event of a system failure.
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