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…
JPA Tutorial
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JPA Map Mapping A Map is an interface in which a unique key is associated with each value object. Thus, operations like…
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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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Collection Mapping A Collection is a java framework that groups multiple objects into a single unit. It is used to store, retrieve…
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JPA Joined strategy In joined strategy, a separate table is generated for every entity class. The attribute of each table is joined…
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JPA Creating an Entity A Java class can be easily transformed into an entity. For transformation the basic requirements are: – No-argument…
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JPA JPQL Advanced Operations Using JPQL, we can perform any type of database operations. Here, we will perform some advanced operations of…