QUIZ TEST
Transaction Management Quiz
Test your knowledge of transaction management in databases with our engaging quiz! This quiz covers the essential concepts of transactions, including their properties, operations, and states.
- Measure your understanding of key principles like Atomicity, Consistency, Isolation, and Durability.
- Perfect for students or anyone looking to deepen their knowledge of database management!
X is read from a database and stored in a buffer in main memory with the ___ operation.
Read
Write
Commit
Rollback
Writing the data from the buffer back to the database is accomplished by using the _____ operation.
Read
Write
Commit
Rollback
In a database, prior to and after a transaction, properties are used to ensure ___.
Consistency
Redundancy
Latency
Anonymity
___ states that all operations of a transaction must occur simultaneously; otherwise, the transaction will be aborted.
Atomicity
Consistency
Isolation
Durability
What is TRUE about atomicity?
The transaction cannot be partially completed, since there is no midway
In each transaction, either the entire transaction is executed or it is not.
Both A and B
None of the above
What is TRUE about Consistency?
As a result of integrity constraints, the database remains consistent before and after the transaction.
In most cases, a database remains either in its previous stable state or in a new stable state following the execution of a transaction.
Every transaction undergoes a consistent database instance, which is the consistent property of databases.
All of the above
Transactions allow the database to be transformed from ___.
One consistent state to another consistent state
One inconsistent state to another consistent state
One inconsistent state to another inconsistent state
One consistent state to another inconsistent state
What is TRUE about Isolation?
By using the data used during a transaction, the second transaction will not be able to use it until the first has been executed.
The data item X cannot be accessed by any other transaction T2 until the transaction T1 is completed and the data item X is used by the transaction T1.
It enforced the isolation property via its concurrency control subsystem.
All of the above
A database's consistent state is measured by the ___ property.
Consistency
Rollback
Durability
Isolation
What is TRUE about Durability?
The failure of the system or an error in a transaction cannot cause them to be lost.
A consistent state is reached when a transaction is completed.
System failures cannot lead to the loss of that consistent state.
All of the above
The reliability property of a DBMS is managed by the ___ subsystem.
Recovery
Reliability
Property
Database
Which of the following functionality can be performed in the active state?
Insertion
Updation
Deletion
All of the above
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