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51

Column.nullable

Annotation Element javax.persistence.Column boolean nullable (Optional) Whether the database column is nullable. Default value: true Since: JPA 1.0
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Column.insertable

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

Annotation Element javax.persistence.Column String name (Optional) The name of the column. Defaults to the property or field name. Default value: "" Since: JPA 1.0
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Column.updatable

Annotation Element javax.persistence.Column boolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Default value: true Since: JPA 1.0
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Column.name

Annotation Element javax.jdo.annotations.Column String name Name of the column. Returns: the name of the column Default value: "" Since: JDO 2.1
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Column.defaultValue

Annotation Element javax.jdo.annotations.Column String defaultValue Default value for this column. Returns: the default value for this column Default value: "" Since: JDO 2.1
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Column.allowsNull

Annotation Element javax.jdo.annotations.Column String allowsNull Whether the column allows null values to be inserted. Returns: whether the column allows null values to be inserted Default value: "" Since: JDO 2.1
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Column.insertValue

Annotation Element javax.jdo.annotations.Column String insertValue Value to be inserted when this is an "unmapped" column Returns: the value to be inserted when this is an "unmapped" column Default value: "" Since: JDO 2.1
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Persistent.column

Annotation Element javax.jdo.annotations.Persistent String column Column name where the values are stored for this member. Returns: the name of the column Default value: "" Since: JDO 2.1
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Column.extensions

Annotation Element javax.jdo.annotations.Column Extension[] extensions Vendor extensions. Returns: the vendor extensions 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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