JPA JPQL Bulk Data Operations In the previous section, we fetched single column only. Now, we will learn how to handle bulk…
Tag:
jpa entity introduction
-
-
JPA Criteria Having clause The HAVING clause is used with GROUP BY clause to filter the data in a table. In Criteria…
-
JPA JPQL Introduction The JPQL (Java Persistence Query Language) is an object-oriented query language which is used to perform database operations on…
-
JPA ORDER BY Clause The ORDER BY clause is used to sort the data and arrange them either in ascending or descending…
-
JPA List Mapping A List is an interface which is used to insert and delete elements on the basis of index. It…
-
JPA Criteria SELECT Clause The SELECT clause is used to fetch the data from database. The data can be retrieved in the…
-
JPA Many-To-Many Mapping The Many-To-Many mapping represents a collection-valued association where any number of entities can be associated with a collection of…
-
JPA Criteria WHERE Clause The WHERE clause is used to apply conditions on database and fetch the data on the basis of…
-
JPA Many-To-One Mapping The Many-To-One mapping represents a single-valued association where a collection of entities can be associated with the similar entity.…
-
Deleting an Entity To delete a record from database, EntityManager interface provides remove() method. The remove() method uses primary key to delete…