What is the idea behind an ORM? What are benefits/disadvantages or ORM.What does JPA stand for - what about ORM.Why is the term “unit of work” so important and why does JDBC AutoCommit violate this pattern.What is the default rollback policy in a JUnit test.What is the default rollback policy? How can you override it.What does declarative transaction management mean.Where can the annotation be used? What is a typical usage if you put it at class level.What happens if one annotated method is calling another annotated method on the same object instance. What is a transaction isolation level? How many do we have and how are they ordered.Is the JDBC template able to participate in an existing transaction.How are you going to define a transaction in Spring.Is a transaction a cross cutting concern? How is it implemented by Spring.What is the difference between a local and a global transaction.How does the JdbcTemplate support generic queries? How does it return objects and lists/maps of objects.When does the JDBC template acquire (and release) a connection - for every method called or once per template? Why.Can you execute a plain SQL statement with the JDBC template.What are the three JdbcTemplate callback interfaces that can be used with queries? What is each used for.What is the Template design pattern? What is the JDBC template.Which bean is very useful for development/test databases.How do you configure a DataSource in Spring.What is the data access exception hierarchy.Why does Spring prefer unchecked exceptions.What is the difference between checked and unchecked exceptions.Spring Data Management in Spring Certification
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