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51-60 of 200 resultsRefreshGROUP BY and HAVING clauses> GROUP BY and HAVING in Criteria Queries The api/java/jpa/criteria ... ">criteria query API as follows: api/java/jpa/criteria/CriteriaQuery">CriteriaQuery<Country> q = cb.api/java/jpa/criteria/CriteriaBuilder | |
Deleting JPA Entity Objects the api/java/jpa/EntityManager/remove_Object">remove method or implicitly ... which way) and then in an active transaction, it can be deleted using the api/java/jpa ... employee = em.api/java/jpa/EntityManager/find_Class__Object">find(Employee.class, 1 | |
JPA Primary Key declaring a primary key field: api/java/jpa/Entity">@Entity public class Project { api/java/jpa/Id">@Id api/java/jpa/GeneratedValue">@GeneratedValue long id; // still set automatically : } The api | |
Collections in JPQL and Criteria Queries>api/java/jpa/criteria/CriteriaBuilder">CriteriaBuilder interface provides ... -java"> // Create path and parameter expressions: api/java/jpa/criteria/Expression">Expression<Collection<String>> languages = country.api/java/jpa/criteria | |
JPA Queries interfaces: api/java/jpa/queries" select="Query|TypedQuery"> The api">JPA Query API section (in chapter 4 ... and run JPQL queries. The api/java/jpa/TypedQuery">TypedQuery | |
Obtaining a JPA Database Connection In JPA a database connection is represented by the api/java/jpa ... an api/java/jpa/EntityTransaction">EntityTransaction instance. Obtaining an EntityManagerFactory Obtaining an api/java/jpa/EntityManager | |
Date and Time in JPQL and Criteria Queries>. Date and Time in Criteria Queries The api/java/jpa ... ="pre-java"> // Create current date expression: api/java/jpa/criteria/Expression">Expression<javax.sql.Date> date = cb.api/java/jpa/criteria/CriteriaBuilder | |
JPA Query Structure (JPQL / Criteria);(api/java/jpa/criteria/CriteriaQuery/select_Selection_">select, api/java/jpa/criteria/CriteriaQuery/distinct_boolean">distinct, api/java/jpa/criteria/CriteriaQuery/multiselect_Selection__">multiselect, api | |
ObjectDB Object Database Features part of ObjectDB's support of the api/java/jpa">JPA and api/java/jdo">JDO APIs. Fundamental features of relational databases (e.g. primary keys, derived attributes ... >Standard Persistence APIs ObjectDB is the only Object-Oriented Database | |
javax.jdo.JDOEntityManager> Superinterfaces: api/java/jpa/EntityManager ... ="/api/java/jdo/PersistenceManager" title="Interface in javax.jdo">PersistenceManager void api/java/jdo/PersistenceManager |