36 | JPA Annotations for RelationshipsRelationships are persistent fields in persistable classes that reference other entity objects. The four relationship modes are represented by the following annotations: Unlike ORM JPA implementations, ObjectDB does not enforce specifying any of the annotations above. Specifying a relationship |
36 | Working with JPA Entity ObjectsEntity objects are in-memory instances of entity classes (persistable user defined classes), which can represent physical objects in the database. Managing an ObjectDB Object Database using JPA requires using entity objects for many operations, including storing, retrieving, updating and deleting |
33 | JPA Annotations for Value GenerationReference (JavaDoc) of JPA 2 value generation annotations, including @GeneratedValue, @SequenceGenerator and @TableGenerator. |
33 | UPDATE SET Queries in JPA/JPQLExplains how to apply server side bulk update using a JPA/JPQL query. |
19 | javax.persistence.criteria.CriteriaBuilder. Since: JPA 2.0 Learn how to define queries using the criteria API in Chapter 4 of the ObjectDB/JPA manual ... - expression Returns: absolute value Since: JPA 2.0 Expression<Y> all( Subquery<Y> subquery) Create ... : subquery - subquery Returns: all expression Since: JPA 2.0 Predicate and( Predicate... restrictions |
16 | javax.persistence.criteria.MapJoin collection that has been specified as a java.util.Map. Since: JPA 2.0 Selection<X> alias(String name ... : selection item Since: JPA 2.0 Expression<X> as(Class<X> type) Perform a typecast ... expression of the given type Since: JPA 2.0 Expression<Entry<K,V>> entry() Create an expression |
7 | Java EE 6 JPA Tutorial - IntelliJ ProjectTo open and run the Java EE 6 Web Application tutorial project in IntelliJ IDEA: Download and extract the project zip file: Java EE JPA Web App - Maven Project (7KB) Open the project in IntelliJ IDEA: Select File > Open Project.... Select the guestbook-jee6 directory and click OK. Define the Server |
6 | Report Generation with BIRT and JPADemonstrates how to use ObjectDB as a data source of the Business Intelligence and Reporting Tools (BIRT), open source report generator. |
6 | General JPA TutorialsAll about General JPA Tutorials in Java/JPA database - explanations, examples, references, links and related information. |
6 | Web App JPA TutorialsAll about Web App JPA Tutorials in Java/JPA database - explanations, examples, references, links and related information. |
