Understanding functional and technical aspects of VMware Spring Professional 2021 Data Management: JDBC, Transactions

The following will be discussed in VMWARE EDU-1202 exam dumps:

• Where can the @Transactional annotation be used? What is a typical usage if you put it at class level?
• Which PlatformTransactionManager(s) can you use with JPA?
• What is a transaction? What is the difference between a local and a global transaction?
• How are you going to define a transaction in Spring?
• What happens if one @Transactional annotated method is calling another @Transactional annotated method inside a same object instance?
• What is a callback? What are the JdbcTemplate callback interfaces that can be used with queries? What is each used for? (You would not have to remember the interface names in the exam, but you should know what they do if you see them in a code sample).
• When does the JDBC template acquire (and release) a connection, for every method called or once per template? Why?
• What does @Transactional do? What is the PlatformTransactionManager?
• What is the Template design pattern and what is the JDBC template?
• What is the default rollback policy? How can you override it?
• What is the difference between checked and unchecked exceptions? - Why does Spring prefer unchecked exceptions? - What is the Spring data access exception hierarchy?
• Is a transaction a cross cutting concern? How is it implemented by Spring?
• What is the default rollback policy in a JUnit test, when you use the @RunWith(SpringJUnit4ClassRunner.class) in JUnit 4 or @ExtendWith(SpringExtension.class) in JUnit 5, and annotate your @Test annotated method with @Transactional?
• What does declarative transaction management mean?
• What do you have to configure to use JPA with Spring? How does Spring Boot make this easier?
• How does the JdbcTemplate support queries? How does it return objects and lists/maps of objects?
• Can you execute a plain SQL statement with the JDBC template?
• How does transaction propagation work?
• What is @EnableTransactionManagement for?
• Is the JDBC template able to participate in an existing transaction?
• How do you configure a DataSource in Spring?
• Are you able to participate in a given transaction in Spring while working with JPA?

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VMware EDU-1202 Exam Syllabus Topics: