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69

Getting Started

All about Getting Started in Java/JPA database - explanations, examples, references, links and related information.
36

Getting Unexpected internal exception when updating entity in MEM db

Hi, I am using mem db. When am doing Merge operation getting "com.objectdb.o.InternalException: Unexpected internal exception" this exception for some cases.Can you please explain me the reason. Please find the below stack trace for your reference. Caused by: com.objectdb.o.InternalException
14

Getting Started with JPA - Maven Project

The Getting Started with JPA tutorial provides step by step instructions on how to build a simple JPA database driven application in Eclipse or NetBeans. Building a new application step by step ... a Maven project: Getting Started with JPA - Maven Project (3KB) If Maven is installed - extract the zip
14

Getting Started with JPA - NetBeans Project

To open and run the Quick Start with JPA tutorial project in NetBeans: Download and extract the project zip file: Getting Started with JPA - Maven Project (3KB) Open the Maven project in NetBeans: Select File > Open Project.... Select the points-console directory and click Open Project. Run
14

Getting Started with JPA - IntelliJ Project

To open and run the Quick Start with JPA tutorial project in IntelliJ IDEA: Download and extract the project zip file: Getting Started with JPA - Maven Project (3KB) Open the project in IntelliJ IDEA: Select File > Open Project.... Select the points-console directory and click Open Project. Run
14

Getting Started with JPA - Eclipse Project

To open and run the Quick Start with JPA tutorial project in Eclipse: Download and extract the project zip file: Getting Started with JPA - Maven Project (3KB) Open the Maven project in Eclipse: Select File > Import... > Maven > Existing Maven Projects and click Next. Select the points-console
13

Getting Started with JPA and Eclipse

Getting started tutorial for quick start with using Java Persistence API (JPA) in Eclipse.
13

Getting Started with JPA

Getting started tutorial for step by step quick start with using Java Persistence API (JPA).
13

Getting Started with JPA and NetBeans

Getting started tutorial for quick start with using Java Persistence API (JPA) in NetBeans.
7

JPA Metamodel API

has a single ID attribute: boolean hasSingleId = entityType.hasSingleIdAttribute(); // Gets a single ... .class); // Gets a single ID attribute - excluding inherited: SingularAttribute<MyEntity,Long ... attribute: boolean hasVersion = entityType.hasVersionAttribute(); // Gets the version attribute

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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