Java Persistence with Hibernate

13.5. Summary

In this chapter, you created a global fetch plan and defined which objects and collections should be loaded into memory at all times. You defined the fetch plan based on your use cases and how you want to access associated entities and iterate through collections in your application.

Next, you selected the right fetching strategy for your fetch plan. Your goal is to minimize the number of SQL statements and the complexity of each SQL statement that must be executed. You especially want to avoid the n+1 selects and Cartesian product issues we examined in detail, using various optimization strategies.

The second half of this chapter introduced caching with the theory behind caching and a checklist you can apply to find out which ...