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:

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

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The following are some benefits of VMware Spring Professional 2021:

• This certification also plays a huge role in getting an onsite opportunity on service-based companies like Infosys, CTS, Wipro, or TCS. Since many big Investment clients almost always prefer certified programmers, it's become easier for resource managers to put a profile of Spring certified developer to the client.
• Certification will provide you digital badge which you can add it to your CV, profile, linkedin etc
• You will learn both the Spring framework and Spring MVC in-depth, which will go a long way in your career when it comes to switching jobs or performing day to day work on your current job
• Spring Professional Certifications (VMware EDU-1202 are very valuable, and it not only provides Industry recognition for your knowledge, experience, and skill but also set you apart from the millions of Java and Spring developer who are not certified. Of course, as with any certification, the most valuable part apart from recognition is the learning process, and this is true for Spring certifications as well.

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