JPA Map Mapping A Map is an interface in which a unique key is associated with each value object. Thus, operations like…
jpa cascade remove
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JPA One-To-One Mapping The One-To-One mapping represents a single-valued association where an instance of one entity is associated with an instance of…
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JPA Table-per-class Strategy In table-per-class strategy, for each sub entity class a separate table is generated. Unlike joined strategy, no separate table…
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JPA Single Table Strategy The single table strategy is one of the most simplest and efficient way to define the implementation of…
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JPA Tutorial JPA tutorial provides basic and advanced concepts of Java Persistence API. Our JPA tutorial is designed for beginners and professionals.…
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Update an Entity JPA allows us to change the records in database by updating an entity. JPA Entity Update Example Here, we…
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JPA Criteria Having clause The HAVING clause is used with GROUP BY clause to filter the data in a table. In Criteria…
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JPA JPQL Introduction The JPQL (Java Persistence Query Language) is an object-oriented query language which is used to perform database operations on…
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JPA ORDER BY Clause The ORDER BY clause is used to sort the data and arrange them either in ascending or descending…
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JPA List Mapping A List is an interface which is used to insert and delete elements on the basis of index. It…