What are the best practices for querying in Hibernate?
An example of an AI chatbot conversation about Hibernate querying best practices.
What are the best practices for querying in Hibernate?
Some best practices include using HQL or Criteria API for complex queries, avoiding N+1 select issues, and using pagination.
Can you explain the N+1 select issue?
The N+1 select issue occurs when a query retrieves a list of entities, and for each entity, an additional query is executed to fetch related entities, leading to performance problems.
How can I avoid the N+1 select issue?
You can avoid it by using JOIN FETCH in your HQL queries or by configuring batch fetching in your entity mappings.
What is pagination in Hibernate?
Pagination in Hibernate allows you to limit the number of results returned by a query, which improves performance and user experience.
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