What do you need to know about hibernate Criteria Queries?

What do you need to know about hibernate Criteria Queries?

Hibernate – Criteria Queries. Hibernate provides alternate ways of manipulating objects and in turn data available in RDBMS tables. One of the methods is Criteria API, which allows you to build up a criteria query object programmatically where you can apply filtration rules and logical conditions. The Hibernate Session interface provides…

How to add restrictions to a hibernate criteria object?

You may add these restrictions to a Criteria object with the add () method. The add () method takes an org.hibernate.criterion.Criterion object that represents an individual restriction. You can have more than one restriction for a criteria query.

How to execute non select operations in hibernate?

To execute the non-select operations (update, delete, insert) also, we need to have the Hibernate Query object. By calling the executeUpdate () method on query object, we can fire the HQL non-select commands. Here is the complete example for Hibernate Update. HQL Update Example :

Is the JPA criteria API deprecated in hibernate?

Since Hibernate 5.2, the Hibernate Criteria API is deprecated and new development is focused on the JPA Criteria API. We’ll explore how to use Hibernate and JPA to build Criteria Queries.

When to use sqlrestriction restriction in hibernate?

sqlRestriction() restriction allows you to directly specify SQL in the Criteria API. It’s useful if you need to use SQL clauses that Hibernate does not support through the Criteria API. Your application’s code does not need to know the name of the table your class uses.

How is the Order class used in hibernate?

The Criteria API provides the org.hibernate.criterion.Order class to sort your result set in either ascending or descending order, according to one of your object’s properties. This example demonstrates how you would use the Order class to sort the result set −