Joining Tables Without Relation Using JPA Criteria
Explore how to construct a JPA criteria query to join tables without explicitly defining the JPA relationship, addressing challenges in legacy database designs.
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AI NewsJPASpring Data
Why Use the Returned Instance of Spring Data JPA Repository’s *save()* Call?
Learn why it is important to always use the instance returned by the *save()* method to avoid subtle bugs during persisting and merging operations.
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AI NewsJPASpring
Detach and Attach Entity in Spring JpaRepository
Learn how to detach and attach entities in Spring JPA to avoid automatic updates and improve performance, especially in multi-transaction workflows.
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AI NewsJPAJava
How to Fix JPA NoResultException: No Entity Found for Query
Avoid JPA NoResultException by handling empty queries with getResultList() or Optional return types.
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AI NewsJava DatesJPA
Querying JPA LocalDateTime Fields with LocalDate Values
Learn how to query LocalDateTime fields using LocalDate values in JPA via range queries, JPQL functions, and the Criteria API. Includes code examples and best practices.