About ORDER BY

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Eclipse Public License - v 1.0

additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or ... entity that distributes the Program. "Licensed Patents" mean patent claims licensable by
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ObjectDB Object Database Features

and aggregates). ORDER BY (including ASC, DESC). Aggregates (COUNT, SUM, AVG, MAX, MIN). Query ... Databases are also supported by ObjectDB. The combination of Object Database features ... objects per database file. Unlimited database connections (limited only by operating system resources
Tutorial
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Getting Started with JPA

to start by running a live sample application in your IDE, you should be able to follow this tutorial
Manual
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Query Parameters in JPA

) The following method retrieves a Country object from the database by its name: public Country ... method. The setParameter method supports method chaining (by returning the same TypedQuery instance ... . Named parameters can be easily identified in a query string by their special form, which is a colon
Manual
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Locking in JPA

update collisions resulting from simultaneous updates to the same data by two concurrent users. Locking ... by another transaction. When using ObjectDB, optimistic locking is enabled by default and fully ... is automatically increased by one. Version numbers are managed internally but can be exposed by defining a version
Manual
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JPA / JDO Class Enhancer

ObjectDB Enhancer is a post compilation tool that improves performance by modifying the byte code ... (and actually required by JPA but not enforced by ObjectDB) to avoid accessing persistent fields ... . by using the get and set methods). If you follow this practice only user defined persistable
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Privacy Policy

and served by ObjectDB Software Ltd and governs the privacy of its users who choose to use it. The policy ... by Google Analytics which uses cookies to track visitor usage. The software will save a cookie to your computers hard drive in order to track and monitor your engagement and usage of the website
Manual
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Storing JPA Entity Objects

New entity objects can be stored in the database either explicitly by invoking the persist method ... is committed. An IllegalArgumentException is thrown by persist if the argument is not an instance ... is thrown. The exception is thrown either by persist (if that existing entity object is currently
Forum
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Update is ignored by ObjectDB

Hi! Sorry for my bad english skills. When I execute fulfilOrder, only Order entity is updated in ... ; @PersistenceContext(unitName = "SMShop") private EntityManager shopdb; ... public Order fulfilOrder(Long orderID, Long userID, int itemID) { Order order = shopdb.find(Order.class, orderID); if (order
Manual
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JPA Criteria API Queries

, having, count, sum, avg, min, max, ...). ORDER BY clause (orderBy, Order, asc, desc). The links ... , are defined by instantiation of Java objects that represent query elements. A major advantage of using ... factory of criteria queries and criteria query elements. It can be obtained either by