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3

MapKeyColumn.table

Annotation Element javax.persistence.MapKeyColumn String table (Optional) The name of the table that contains the column. Defaults: If the map key is for an element collection, the name of the collection table for the map value. If the map key is for a OneToMany or ManyToMany entity relationship
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MapKeyColumn.insertable

Annotation Element javax.persistence.MapKeyColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 2.0
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Table.uniqueConstraints

Annotation Element javax.persistence.Table UniqueConstraint[] uniqueConstraints (Optional) Unique constraints that are to be placed on the table. These are only used if table generation is in effect. These constraints apply in addition to any constraints specified by the Column and JoinColumn
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DiscriminatorColumn.name

Annotation Element javax.persistence.DiscriminatorColumn String name (Optional) The name of column to be used for the discriminator. Default value: "DTYPE" Since: JPA 1.0
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DiscriminatorColumn.length

Annotation Element javax.persistence.DiscriminatorColumn int length (Optional) The column length for String-based discriminator types. Ignored for other discriminator types. Default value: 31 Since: JPA 1.0
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DiscriminatorColumn.discriminatorType

Annotation Element javax.persistence.DiscriminatorColumn DiscriminatorType discriminatorType (Optional) The type of object/column to use as a class discriminator. Defaults to DiscriminatorType.STRING. Default value: javax.persistence.DiscriminatorType.STRING Since: JPA 1.0
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javax.persistence.criteria.ListJoin

for which an order column has been defined. Returns: expression denoting the index Since: JPA 2.0
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javax.persistence.OneToMany

) @JoinColumn(name="CUST_ID") // join column is in table for Order public Set getOrders
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JoinColumns.value

Annotation Element javax.persistence.JoinColumns JoinColumn[] value The join columns that map the relationship. Since: JPA 1.0
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JoinColumn.insertable

Annotation Element javax.persistence.JoinColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 1.0

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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