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The focus of JPA 2.0 was to address features that were present in some of the popular ORM vendors but could not gain consensus approval for JPA 1.0. Main features included were: Expanded object-relational mapping functionality Support for collections of embedded objects, linked in the ORM with a many-to-one relationship; Ordered lists
An associative entity is a term used in relational and entity–relationship theory. A relational database requires the implementation of a base relation (or base table) to resolve many-to-many relationships. A base relation representing this kind of entity is called, informally, an associative table. An associative entity (using Chen notation)
There are provided facilities to arrange one-to-many and many-to-many relationships between classes. [2]: 140–171 In addition to managing associations between objects, Hibernate can also manage reflexive associations wherein an object has a one-to-many relationship with other instances of the class type.
DataNucleus, open-source JDO and JPA implementation (formerly known as JPOX) Ebean, open-source ORM framework; EclipseLink, Eclipse persistence platform; Enterprise JavaBeans (EJB) Enterprise Objects Framework, Mac OS X/Java, part of Apple WebObjects; Hibernate, open-source ORM framework, widely used; Java Data Objects (JDO) JOOQ Object ...
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By Steve Holland and David Brunnstrom. WASHINGTON (Reuters) -U.S. President-elect Donald Trump has invited Chinese President Xi Jinping and other foreign leaders to his inauguration next month in ...
The New York Jets' trying season has hit a new low – yet one long familiar to the franchise.. With Sunday's 32-26 overtime loss to the Miami Dolphins, the Jets (3-10) were officially eliminated ...
Kodo, a Java Data Objects implementation, was originally developed by SolarMetric, Inc in 2001. BEA Systems acquired SolarMetric in 2005, where Kodo was expanded to be an implementation of both the JDO (JSR 12) [2] and JPA (JSR 220) [3] specifications.