Finding an entity To find an entity, EntityManger interface provides find() method that searches an element on the basis of primary key.…
Tag:
jpa cascading operations
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JPA Inheritence Overview Inheritence is a key feature of object-oriented programming language in which a child class can acquire the properties of…
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JPA Cascade Persist The cascade persist is used to specify that if an entity is persisted then all its associated child entities…
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Inserting an Entity In JPA, we can easily insert data into database through entities. The EntityManager provides persist() method to insert records.…
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JPA Cascade Remove The cascade remove is used to specify that if the parent entity is removed then all its related entities…
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JPA Installation In this section, we will learn how to install JPA on eclipse. See the following steps: – Open eclipse and…
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JPA Cascading Operations In JPA, if any operation is applied on an entity then it will perform on that particular entity only.…
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JPA Introduction The Java Persistence API (JPA) is a specification of Java. It is used to persist data between Java object and…
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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…