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Manual
9

Database Explorer

your applications - retrieved String instances always have the same encoding as
Manual
9

Defining a JPA Entity Class

, and accordingly, provides the ability to store Point objects in the database and retrieve Point
Manual
9

Deleting JPA Entity Objects

Existing entity objects can be deleted from the database either explicitly by invoking the remove method or implicitly as a result of a cascade operation. Explicit Remove In order to delete an object from the database it has to first be retrieved (no matter which way) and then in an active
Manual
9

Detached Entity Objects

). Retrieval by navigation from detached objects is not supported, so only persistent fields
Tutorial
9

Getting Started with JPA

This tutorial demonstrates how to create and run a simple JPA application. The demonstrated application uses JPA to store and retrieve simple Point entity objects, where each Point has two persistent fields - x and y. If you already know JPA - the source code will be straightforward
Tutorial
9

Getting Started with JPA and Eclipse

This is the Eclipse version of the Quick Start with JPA tutorial. It demonstrates how to create and run a simple JPA application in Eclipse. The demonstrated application uses JPA to store and retrieve simple Point entity objects, where each Point has two persistent fields - x and y
Tutorial
9

Getting Started with JPA and NetBeans

This is the NetBeans version of the Quick Start with JPA tutorial. It demonstrates how to create and run a simple JPA application in NetBeans. The demonstrated application uses JPA to store and retrieve simple Point entity objects, where each Point has two persistent fields - x and y
Manual
9

Index Definition

field whose type is List. The query retrieves the documents that contain "JPA". An index
Manual
9

JPA Lifecycle Events

flush). @PostLoad - after an entity has been retrieved from the database. @PreUpdate
Manual
9

JPA Named Queries

" that retrieves all the Country objects in the database: @NamedQuery(name="Country.findAll", query