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JPA provides several alternatives for querying data. Such alternatives may be classified attending to a variety of criteria, eg, language used (SQL vs JPQL) or whether queries are static (compilation time) or dynamic (execution time). Static queries are defined using annotations @NamedQuery (javax.persistence.NamedQuery) and @NamedQueries (javax.persistence.NamedQueries) in the @Entity class definition itself:       […]