Transaction Management MCQs
Transaction Management MCQs
Try to answer these Transaction Management MCQs and check your understanding of the Transaction Management subject. Scroll down and let's begin!
1: A(n) ____ specifically reserves access to the transaction that locked the object.
A. Shared lock
B. Exclusive lock
C. Binary lock
D. Deadlock
2: All transactions must display ____.
A. Atomicity, serializability, and durability
B. Durability and isolation
C. Serializability, durability, and isolation
D. Atomicity, durability, consistency, isolation, and serializability
3: What is transaction management in the context of databases?
A. The process of managing financial transactions in a business
B. The process of ensuring data consistency and integrity in database operations
C. The process of securing data from unauthorized access
D. The process of optimizing database performance and query execution
4: What is a transaction in database management?
A. A single database query
B. A set of related database operations that must be treated as a single logical unit
C. A backup copy of a database
D. A table that stores information about completed database transactions
5: What is the ACID property in transaction management?
A. A property that ensures data availability in case of system failures
B. A property that guarantees data confidentiality and privacy
C. A property that ensures database transactions are atomic, consistent, isolated, and durable
D. A property that prevents concurrent access to the database by multiple users
6: What does the "atomic" property of a transaction mean?
A. The transaction is executed in multiple phases
B. The transaction is treated as an indivisible unit of work
C. The transaction can be interrupted or cancelled midway
D. The transaction can be rolled back if it fails to complete successfully
7: How does the "consistency" property of a transaction ensure data integrity?
A. It guarantees that concurrent transactions will not interfere with each other
B. It ensures that the database is always available for user access
C. It ensures that a transaction transforms the database from one consistent state to another
D. It guarantees that all changes made by a transaction are permanently stored in the database
8: What does the "isolation" property of a transaction ensure?
A. It guarantees that a transaction's changes are durable and persistent
B. It ensures that concurrent transactions do not see each other's intermediate states
C. It guarantees that a transaction is executed in a secure environment
D. It ensures that a transaction completes successfully or is fully rolled back
9: What does the "durability" property of a transaction mean?
A. It guarantees that a transaction is executed without any errors
B. It ensures that a transaction's changes are permanently stored and will survive system failures
C. It guarantees that a transaction's changes are isolated from other transactions
D. It ensures that a transaction's execution is atomic and consistent
10: What is a transaction log in transaction management?
A. A log file that records all the database queries executed in a transaction
B. A record of all the changes made to the database during a transaction
C. A log file that stores the database schema and table definitions
D. A record of all the user accounts and permissions in the database
11: What is a rollback in transaction management?
A. The process of committing a transaction's changes to the database
B. The process of reverting a transaction's changes and restoring the database to its previous state
C. The process of granting or revoking user privileges in the database
D. The process of updating the database schema or table structure
12: What is a two-phase commit protocol in transaction management?
A. A protocol that ensures the atomicity and durability of database transactions
B. A protocol that coordinates the commit or rollback decision across multiple distributed databases
C. A protocol that secures the database from unauthorized access and attacks
D. A protocol that optimizes database performance and query execution
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Transaction Management MCQs
