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2

select(selection)

: the modified query Throws: IllegalArgumentException - if the selection is a compound selection and more than one selection item has the same assigned alias Since: JPA 2.0
2

groupBy(grouping)

of the corresponding AbstractQuery method. Parameters: grouping - zero or more grouping expressions Returns: the modified query Since: JPA 2.0
2

groupBy(grouping)

of the corresponding AbstractQuery method. Parameters: grouping - list of zero or more grouping expressions Returns: the modified query Since: JPA 2.0
2

having(restriction)

. Parameters: restriction - a simple or compound boolean expression Returns: the modified query Since: JPA 2.0
2

having(restrictions)

more restriction predicates Returns: the modified query Since: JPA 2.0
2

multiselect(selections)

: selections - selection items corresponding to the results to be returned by the query Returns: the modified
2

multiselect(selectionList)

the query Returns: the modified query Throws: IllegalArgumentException - if a selection item is not
0

setRestoreValues(restoreValues)

to transient. Additionally, fields of modified instances of primitive types and immutable reference
0

javax.jdo.spi.JDOPermission

that metadata information (possibly confidential) normally unavailable would be manageable (modifiable
0

preDirty(event)

Method javax.jdo.listener.DirtyLifecycleListener void preDirty( InstanceLifecycleEvent event ) Invoked whenever a persistent instance is first made dirty, during an operation that modifies the value of a persistent or transactional field. Called before the value is changed. Parameters: event - 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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