The Apache JDO project is pleased to announce a new release 3.1. Java Data Objects (JDO) is a standard way to access persistent data in databases, using plain old Java objects (POJO) to represent persistent data.
JDO 3.1 can be obtained from the JDO download site: http://db.apache.org/jdo/downloads.html. In addition to the changes of JDO 3.1-rc1 JDO 3.1 contains the following new features: * Specifying NULL elements positioning in ordered columns * Extension element for @Index, @ForeignKey, @Unique, @PrimaryKey annotations are supported. * Support for IF/Else expression in JDOQL In addition, JDO 3.1 contains many bug and documentation fixes and improvements. See the Release Notes of JDO 3.1 and JDO 3.1-rc1 for details: JDO 3.1: https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12325878&styleName=Html&projectId=10630 JDO 3.1-rc1: https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12314921&styleName=Html&projectId=10630 Please try out this new release.