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index()

Method javax.persistence.criteria.ListJoin Expression<Integer> index() Create an expression that corresponds to the index of the object in the referenced association or element collection ... for which an order column has been defined. Returns: expression denoting the index Since: JPA 2.0
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Element.indexed

Annotation Element javax.jdo.annotations.Element String indexed Whether the value column(s) should be indexed. Returns: whether the value column(s) should be indexed. Default value: "" Since: JDO 2.1
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Key.index

Annotation Element javax.jdo.annotations.Key String index The name of the index to generate. Returns: the name of the index Default value: "" Since: JDO 2.1
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Key.indexed

Annotation Element javax.jdo.annotations.Key String indexed Whether the value column(s) should be indexed. Returns: whether the value column(s) should be indexed. Default value: "" Since: JDO 2.1
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Index.columns

Annotation Element javax.jdo.annotations.Index Column[] columns Columns that compose this index. Returns: columns that compose this index Default value: {} Since: JDO 2.1
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Value.indexed

Annotation Element javax.jdo.annotations.Value String indexed Whether the value column(s) should be indexed. Returns: whether the value column(s) should be indexed. Default value: "" Since: JDO 2.1
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Value.index

Annotation Element javax.jdo.annotations.Value String index The name of the index to generate. Returns: the name of the index Default value: "" Since: JDO 2.1
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Index.name

Annotation Element javax.jdo.annotations.Index String name Name of the index Returns: the name of the index Default value: "" Since: JDO 2.1
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Index.members

Annotation Element javax.jdo.annotations.Index String[] members Member (field and property) names that compose this index. Returns: member names that compose this index Default value: {} Since: JDO 2.1
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Index.unique

Annotation Element javax.jdo.annotations.Index String unique Whether this index is unique Returns: whether this index is unique 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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