Hibernate provide Criteria Queries as an object-oriented alternative to HQL. Criteria Query is used to modify the objects and provide restriction for the objects. Many complex queries in HQL or even SQL may become larger over a period of time and spread over many lines; and will be difficult to update and maintain. We have already seen HQL in http://www.javajee.com/introduction-to-hibernate-query-language-hql-0.
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