Home » JDO » Annotations » Mapping (ORM) » Column » Column.allowsNull - JDO annotation element

Column.allowsNull - JDO annotation element

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

This documentation page is derived (with some adjustments) from the JDO 2.2 API
and is available under the terms of the Apache License, v. 2.0.