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JPA Doc
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javax.persistence.criteria.Root

object has not been obtained through correlation Since: JPA 2.0 Set< Fetch> getFetches() Return ... this type. Returns empty set if no fetch joins have been made from this type. Modifications to the set ... : the Java type of the tuple element Since: JPA 2.0 Set< Join> getJoins() Return the joins
Forum
2

Externalising persistence.xml properties in Glassfish?

- the environment already is set up with the Postgres jta-data-source, so the persistence.xml is environment ... .ObjectDbJPAMockProvider data-source>jdbc/jpaProviderMockPooldata-source ... . That is the easiest solution.  Another way might be by setting a system variable with the url
FAQ
2

Can I use ObjectDB to access a relational database?

To access relational databases using the Java Persistence API (JPA) you will need an Object Relational Mapping (ORM) tool, such as Hibernate, TopLink, EclipseLink, Open JPA or DataNucleus. The DataNucleus ORM implementation supports also the Java Data Objects (JDO) API. ObjectDB is a full featured
Manual
2

Chapter 4 - JPA Queries (JPQL / Criteria)

clauses are explained: ObjectDB also supports the Java Data Objects (JDO) Query Language (JDOQL
Result
2

Company

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management System (ODBMS). ObjectDB Software is the market leader in providing a very high performance persistence solution for Java, based on the Java Persistence API (JPA) and the Java Data Objects (JDO
Manual
2

Database Schema Evolution

explicitly in the configuration to avoid data loss. The Schema Update section in chapter 6 explains how to specify such changes in the configuration file.
FAQ
2

Is ObjectDB better than competing object databases?

Data Objects (JDO) API than competing object databases. By using a standard API such as JPA
Manual
2

JPA Query Expressions (JPQL / Criteria)

, sqrt). String expressions (like, length, locate, lower, upper, concat, substring, ...). Data
Manual
2

Literals in JPQL and Criteria Queries

components, String literals (which represent data) are case sensitive, so 'abc' and 'ABC' are not
Result
2

ObjectDB License Agreement [ver. 2.0.4]

limited to loss of revenue, profit or data) however caused and regardless of the theory of liability