Spring Boot Transaction Management Concepts 4

Question 1

What does TransactionSynchronizationManager allow developers to do?

Accepted Answer

Register callbacks that execute at specific phases of the current transaction lifecycle

Answer

TransactionSynchronizationManager lets you register TransactionSynchronization callbacks that fire on events like commit, rollback, or completion.

Question 2

When using programmatic transaction management, which Spring interface provides the core API?

Accepted Answer

PlatformTransactionManager

Answer

PlatformTransactionManager defines the core contract — getTransaction(), commit(), and rollback() — used by all Spring transaction managers.

Question 3

What is the role of TransactionTemplate in Spring?

Accepted Answer

A template that simplifies programmatic transaction management by handling boilerplate

Answer

TransactionTemplate wraps programmatic transaction logic, handling begin/commit/rollback automatically so you only provide the business logic via a callback.

Question 4

Which of the following describes a 'non-repeatable read' anomaly?

Accepted Answer

A transaction reads the same row twice and gets different values due to an intervening update

Answer

A non-repeatable read occurs when a row read once returns different data on a second read because another transaction committed an update in between.

Question 5

What Spring Boot property configures the default transaction timeout?

Accepted Answer

spring.transaction.default-timeout

Answer

spring.transaction.default-timeout sets the default timeout (in seconds) applied to all @Transactional methods that don't specify their own timeout.

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Spring Boot Transaction Management Concepts 4