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56

Basic.fetch

Annotation Element javax.persistence.Basic FetchType fetch (Optional) Defines whether the value of the field or property should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the value must be eagerly fetched. The LAZY
56

ManyToMany.fetch

Annotation Element javax.persistence.ManyToMany FetchType fetch (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entities must be eagerly fetched. The LAZY strategy
56

getParent()

Method javax.persistence.criteria.Fetch FetchParent<?,Z> getParent() Return the parent of the fetched item. Returns: fetch parent Since: JPA 2.0
56

ElementCollection.fetch

Annotation Element javax.persistence.ElementCollection FetchType fetch (Optional) Whether the collection should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the collection elements must be eagerly fetched. The LAZY
56

OneToOne.fetch

Annotation Element javax.persistence.OneToOne FetchType fetch (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy
55

getJoinType()

Method javax.persistence.criteria.Fetch JoinType getJoinType() Return the join type used in the fetch join. Returns: join type Since: JPA 2.0
55

getAttribute()

Method javax.persistence.criteria.Fetch Attribute<?,?> getAttribute() Return the metamodel attribute corresponding to the fetch join. Returns: metamodel attribute for the join Since: JPA 2.0
29

FROM clause (JPQL / Criteria API)

FETCH JPA support of transparent navigation and fetch makes it very easy to use, since it provides ... the same result objects (Country instances): SELECT c FROM Country c JOIN FETCH c.capital The JOIN FETCH expression is not a regular JOIN and it does not define a JOIN variable. Its only purpose
5

FetchPlan.FETCH_SIZE_OPTIMAL

Static Field javax.jdo.FetchPlan int FETCH_SIZE_OPTIMAL For use with setFetchSize. Value: 0. Since: JDO 2.0
5

FetchPlan.FETCH_SIZE_GREEDY

Static Field javax.jdo.FetchPlan int FETCH_SIZE_GREEDY For use with setFetchSize. Value: -1. Since: JDO 2.0

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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