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MapKeyColumn.precision - JPA annotation element

Annotation Element
int precision

(Optional) The precision for a decimal (exact numeric) column. (Applies only if a decimal column is used.)

Default: 0. (The value must be set by the developer.)

Default value:
JPA 2.0

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.