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3

javax.persistence.CollectionTable

annotation is used on the collection-valued attribute in addition to the ElementCollection annotation ... AttributeOverrides annotations can be used in addition to the ElementCollection annotation. If the embeddable class
2

PessimisticLockScope.EXTENDED

Enum Constant javax.persistence.PessimisticLockScope EXTENDED In addition to the behavior for PessimisticLockScope.NORMAL, element collections and relationships owned by the entity that are contained in join tables will be locked if the javax.persistence.lock.scope property is specified
2

PessimisticLockScope.NORMAL

) for the entity instance in the additional table(s). Entity relationships for which the locked entity
2

javax.persistence.TransactionRequiredException

throwable" that predates the addition of chained exceptions to Throwable. Note that it is not necessary
2

createEntityManagerFactory(persistenceUnitName, properties)

of the persistence unit properties - Additional properties to use when creating the factory. The values
2

JoinTable.uniqueConstraints

Annotation Element javax.persistence.JoinTable UniqueConstraint[] uniqueConstraints (Optional) Unique constraints that are to be placed on the table. These are only used if table generation is in effect. Defaults to no additional constraints. Default value: {} Since: JPA 1.0
2

javax.persistence.EntityExistsException

for a "legacy chained throwable" that predates the addition of chained exceptions to Throwable. Note
0

getCause()

other means. This is appropriate for a "legacy chained throwable" that predates the addition of chained
0

getCause()

other means. This is appropriate for a "legacy chained throwable" that predates the addition of chained
0

javax.jdo.JDOObjectNotFoundException

the addition of chained exceptions to Throwable. Note that it is not necessary to override any

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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