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