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♦ 9 Java Transaction Management Interview Q&A

Q1. What is a Transaction? A1. A transaction is a set of operations that should be completed as a unit. If one operation fails then all the other operations fail as well. Example 1: If you transfer funds between two…...

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07: Debugging Spring Transaction Management

Never just trust that adding @Transactional annotation is going to create a transactional boundary for your service layer. EventRestController –> EventMergeProcesorImpl –> EventControlDAOImpl The @Transactional annotations added to “public” methods of the EventMergeProcesorImpl. Spring creates a proxy around the “EventMergeProcesorImpl”.…...

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Posted in Java Debugging, member-paid, Spring, Transaction Management

JTA interview Q&A

Q1. What is a Transaction? What does setAutoCommit do? A1. A transaction is a set of operations that should be completed as a unit. If one operation fails then all the other operations fail as well. For example if you…...

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Posted in JTA, member-paid, Transaction Management

Spring, JavaConfig (@Configuration), and TransactionManager

This extedns configuring JDBC and JPA to configure the TransactionManager. Example #1 Wiring JDBC Transaction Manager Note: @EnableTransactionManagement annotation If you want to create a mock transaction manager, then you can do Also, the unit test classes need to extend

Posted in Spring JavaConfig, Transaction Management

Transaction management in SQL — Sybase example

Q. How do you perform transaction management in SQL stored procedures? A. Handled with begin, commit, and rollback ‘tran’ commands in Sybase server. Q. Why is it important? A. It is important to leave the database in a consistent state. Q.

Posted in SQL, Transaction Management

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