About types

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Tutorial
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Step 2: Entity Class and Persistence Unit

/xml/ns/persistence/persistence_2_0.xsd"> type
Manual
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Shared (L2) Entity Cache

("javax.persistence.cache.retrieveMode", CacheRetrieveMode.BYPASS); // For retrieval by type
Manual
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WHERE clause (JPQL / Criteria API)

a variable number of arguments of Predicate type and uses an AND conjunction as the WHERE clause content
Tutorial
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Step 2: Entity Class and Persistence Unit

name="GuestbookPU" transaction-type="RESOURCE_LOCAL"> com.objectdb.jpa.Provider
Manual
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BIRT/ODA ObjectDB Driver

and selecting New Data Source. Select ObjectDB Data Source from the list of available data source types
Manual
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Database Replication and Clustering

can manage different types of databases, including master databases, slave database (by using
Manual
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ORDER BY clause (JPQL / Criteria API)

, any JPQL expression whose type is comparable (i.e. numbers, strings and date values) and is derived
JDO Doc
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Miscellaneous JDO Annotations

This section contains miscellaneous JDO annotations and associated enum types:
JPA Doc
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JPA Annotations for Classes

JPA defines three types of persistable classes which are set by the following annotations: Chapter 2 of the ObjectDB manual explains these annotations in detail. Entity and mapped super classes can be further configured by annotations that specify cache preferences and lifecycle event listener
JPA Doc
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JPA Queries

a cleaner alternative that enables building a dynamic query by using instances of special types