jpa jpql advanced operations

JPA Installation In this section, we will learn how to install JPA on eclipse. See the following steps: – Open eclipse and…

JPA Cascading Operations In JPA, if any operation is applied on an entity then it will perform on that particular entity only.…

JPA Introduction The Java Persistence API (JPA) is a specification of Java. It is used to persist data between Java object and…

Collection Mapping A Collection is a java framework that groups multiple objects into a single unit. It is used to store, retrieve…

JPA Joined strategy In joined strategy, a separate table is generated for every entity class. The attribute of each table is joined…

JPA Creating an Entity A Java class can be easily transformed into an entity. For transformation the basic requirements are: – No-argument…

JPA JPQL Advanced Operations Using JPQL, we can perform any type of database operations. Here, we will perform some advanced operations of…

JPA Criteria API The Criteria API is one of the most common ways of constructing queries for entities and their persistent state.…

JPA JPQL Basic Operations JPQL allows us to create both static as well as dynamic queries. Now, we will perform some basic…

JPA Criteria GROUP BY Clause The GROUP BY clause is used to collect data from one or more tables and arrange them…