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52

AttributeOverride.column

Annotation Element javax.persistence.AttributeOverride Column column (Required) The column that is being mapped to the persistent attribute. The mapping type will remain the same as is defined in the embeddable class or mapped superclass. Since: JPA 1.0
5

Element.columns

Annotation Element javax.jdo.annotations.Element Column[] columns The column(s) for the element. Returns: the column(s) for the element Default value: {} Since: JDO 2.1
5

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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Columns.value

Annotation Element javax.jdo.annotations.Columns Column[] value The columns annotation information. Returns: the columns Since: JDO 2.1
5

DatastoreIdentity.columns

Annotation Element javax.jdo.annotations.DatastoreIdentity Column[] columns The column(s) making up the datastore identity. Returns: The column(s) making up the datastore identity. Default value: {} Since: JDO 2.1
5

PrimaryKey.columns

Annotation Element javax.jdo.annotations.PrimaryKey Column[] columns The column(s) for the primary key Returns: the column(s) for the primary key Default value: {} Since: JDO 2.1
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ForeignKey.columns

Annotation Element javax.jdo.annotations.ForeignKey Column[] columns Columns that compose this foreign key. Returns: the columns that compose this foreign key Default value: {} Since: JDO 2.1
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Order.columns

Annotation Element javax.jdo.annotations.Order Column[] columns The definition of the column(s) to use for ordering. Returns: the columns to use for ordering Default value: {} Since: JDO 2.1
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Version.columns

Annotation Element javax.jdo.annotations.Version Column[] columns The column(s) making up the version. Returns: the column(s) making up the version Default value: {} Since: JDO 2.1
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Unique.columns

Annotation Element javax.jdo.annotations.Unique Column[] columns Columns that compose this unique constraint. Returns: columns that compose this unique constraint 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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