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14

ODB with Netbeans

errors by ObjectDB, including: "An entity class must be public." This is a NetBeans restriction, not a JPA restriction. "An entity or IdClass class should implement the java.io.Serializable interface." This is also a NetBeans restriction, not a JPA restriction. "There is no ID defined for this entity
13

Problem with distinct select, order by and equivalent alias/attribute path

from your point of view? Thanks and regards Benjamin Klink bklink Benjamin Klink JPQL restricts ... is less restrictive, and will except the query above. However, in DISTINCT and GROUP BY queries it must follow these restrictions, otherwise the same result may have multiple different order values
10

exceeds evaluation limit Exception

can also be used freely (including commercially) under a restriction of maximum 10 entity classes ... are required to purchase a license to remove this restrictions. Anyway, you need a license key to remove this restriction. support Support thanks alot your replay makes every thing clear now eng.ahmed ahmed
5

getGroupRestriction()

Method javax.persistence.criteria.AbstractQuery Predicate getGroupRestriction() Return the predicate that corresponds to the restriction(s) over the grouping items, or null if no restrictions have been specified. Returns: having clause predicate Since: JPA 2.0
3

javax.persistence.criteria.Predicate

javax.persistence.criteria Interface Predicate Superinterfaces: Expression<Boolean>, Selection<Boolean>, TupleElement<Boolean> Subinterfaces: In The type of a simple or compound predicate: a conjunction or disjunction of restrictions. A simple predicate is considered to be a conjunction
0

javax.jdo.annotations.ForeignKey

value: javax.jdo.annotations.ForeignKeyAction.RESTRICT Since: JDO 2.1 String[] members Member (field ... of this foreign key Default value: javax.jdo.annotations.ForeignKeyAction.RESTRICT Since: JDO 2.1
0

javax.jdo.annotations.ForeignKeyAction

ForeignKeyAction NONE Since: JDO 2.1 ForeignKeyAction NULL Since: JDO 2.1 ForeignKeyAction RESTRICT
0

ForeignKey.updateAction

Annotation Element javax.jdo.annotations.ForeignKey ForeignKeyAction updateAction The update action of this foreign key. Returns: the update action of this foreign key Default value: javax.jdo.annotations.ForeignKeyAction.RESTRICT Since: JDO 2.1
0

ForeignKey.deleteAction

Annotation Element javax.jdo.annotations.ForeignKey ForeignKeyAction deleteAction The delete action of this foreign key. Returns: the delete action of this foreign key Default value: javax.jdo.annotations.ForeignKeyAction.RESTRICT Since: JDO 2.1
0

javax.jdo.spi.JDOImplHelper

. There is no security restriction on this access. JDO implementations get access to the functions provided by

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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