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:

• What is the default rollback policy? How can you override it?
• How does transaction propagation work?
• What is @EnableTransactionManagement for?
• When does the JDBC template acquire (and release) a connection, for every method called or once per template? Why?
• 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).
• How are you going to define a transaction in Spring?
• Are you able to participate in a given transaction in Spring while working with JPA?
• What does declarative transaction management mean?
• What does @Transactional do? What is the PlatformTransactionManager?
• Where can the @Transactional annotation be used? What is a typical usage if you put it at class level?
• What is the Template design pattern and what is the JDBC template?
• What do you have to configure to use JPA with Spring? How does Spring Boot make this easier?
• What happens if one @Transactional annotated method is calling another @Transactional annotated method inside a same object instance?
• Is a transaction a cross cutting concern? How is it implemented by Spring?
• Is the JDBC template able to participate in an existing transaction?
• How do you configure a DataSource in Spring?
• Which PlatformTransactionManager(s) can you use with JPA?
• 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?
• Can you execute a plain SQL statement with the JDBC template?
• What is a transaction? What is the difference between a local and a global transaction?
• What is the difference between checked and unchecked exceptions? - Why does Spring prefer unchecked exceptions? - What is the Spring data access exception hierarchy?
• How does the JdbcTemplate support queries? How does it return objects and lists/maps of objects?

VMware EDU-1202 certification exam provides numerous benefits to professionals who want to enhance their career prospects in the IT industry. Spring Certified Professional certification validates the candidate's expertise in developing Spring-based applications, which is highly sought after by organizations across various industries. Spring Certified Professional certification also demonstrates a commitment to professional development and ongoing learning, which is highly valued by employers. Additionally, certified professionals can join the VMware Certified Professional community and access various resources, including training, tools, and networking opportunities.

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