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javax.persistence.QueryHint

javax.persistence Annotation QueryHint Target: Used to supply a query property or hint to the NamedQuery or NamedNativeQuery annotation. Vendor-specific hints that are not recognized by a provider are ignored. Since: JPA 1.0 String name Name of the hint. Name of the hint. Since: JPA 1.0 String
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Extensions.value

Annotation Element javax.jdo.annotations.Extensions Extension[] value The extensions. Returns: the extensions Since: JDO 2.1
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Extension.vendorName

Annotation Element javax.jdo.annotations.Extension String vendorName Vendor that the extension applies to (required). Returns: the vendor Since: JDO 2.1
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Extension.value

Annotation Element javax.jdo.annotations.Extension String value The value for the extension (required). Returns: the value Since: JDO 2.1
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Value.dependent

Annotation Element javax.jdo.annotations.Value String dependent Whether the value is dependent on the owner (and will be deleted when the owner is deleted). Returns: whether the value is dependent on the owner Default value: "" Since: JDO 2.1
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Join.unique

Annotation Element javax.jdo.annotations.Join String unique Whether the join column is unique. Returns: whether the join column(s) is(are) is unique Default value: "" Since: JDO 2.1
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Value.embeddedMapping

Annotation Element javax.jdo.annotations.Value Embedded[] embeddedMapping The embedded mapping for the value. Returns: the embedded mapping for the value Default value: {} Since: JDO 2.1
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Value.embedded

Annotation Element javax.jdo.annotations.Value String embedded Whether this value is embedded. Returns: whether this value is embedded Default value: "" Since: JDO 2.1
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Join.outer

Annotation Element javax.jdo.annotations.Join String outer Whether to use an outer join. Returns: whether to use an outer join Default value: "" Since: JDO 2.1
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Discriminator.value

Annotation Element javax.jdo.annotations.Discriminator String value The value for the discriminator for objects of this class when using "value-map" strategy. Returns: The value for the discriminator for objects of this class when using "value-map" strategy Default value: "" Since: JDO 2.1

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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