Inheritance

Mapping Table per Concrete Class in JPA

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In object-oriented programming, inheritance allows you to create hierarchies of related classes. When mapping these class hierarchies to a relational database using the Java Persistence API (JPA), you have different strategies available. One such strategy is the Table per Concrete Class strategy. Overview The Table per Concrete Class strategy, also known as “Single Table Inheritance,” … Read more

How to use Table per Class Hierarchy in JPA

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In this tutorial, we will explore how to utilize JPA’s table per class hierarchy strategy to map a class hierarchy to a denormalized database table. The table per class hierarchy strategy allows multiple classes in a hierarchy to be combined into a single table, simplifying the database schema and reducing the number of joins required.

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Inheritance hibernate

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Using Inheritance with Hibernate JPA. Featured articles: Mapping Table per Concrete Class Using Table per subclass strategy Using table per class hierarchy

Using Table per subclass strategy

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Hibernate Table per subclass strategy When using this strategy, the superclass has a table and each subclass has a table that contains only un-inherited properties: the subclass tables have a primary key that is a foreign key of the superclass. Example: package com.sample public class Vehicle {     // Constructors and Getter/Setter methods,     long … Read more