About projection

tutorial

Step 1: Create a Java Project

Explains how to create an Eclipse project with ObjectDB/JPA support. We start by creating a new Eclipse Project, using: File > New > Project... If you are using Eclipse IDE for Java EE Developers, you can see in the [New] menu a command for creating a [JPA Project]. We are not using that type of pro ...

 
tutorial

Step 1: Create a Maven Web Project

Explains how to create a Eclipse Web Maven project with Spring and ObjectDB/JPA support. We start by creating a new Maven-WTP dynamic web project in Eclipse: Open the [New Project] dialog box, e.g. by using  File > New > Project... Select  Maven > Maven Project and click  N ...

 
tutorial

Step 1: Create a Java EE 6 Web Project

Explains how to create an Eclipse Java EE 6 (J2EE) project with ObjectDB/JPA support. We start by creating a new Java EE 6 dynamic web project in Eclipse: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Web > Dynamic Web Project and click Next . Choose a Project Name ...

 
tutorial

Step 1: Create a Java Project

Explains how to create a NetBeans project with ObjectDB/JPA support. We start by creating a new NetBeans Project: Open the [New Project] dialog box, e.g. by using File > New Project... Select Java > Java Application and click Next . Choose a Project Name (e.g. Tutorial ). Th ...

 
tutorial

Step 1: Create a Java EE 6 Web Project

Explains how to create a NetBeans Java EE 6 (J2EE) project with ObjectDB/JPA support. We start by creating a new Java EE 6 Web Application project in NetBeans: Open the [New Project] dialog box, e.g. by using File > New Project... Select Java Web > Web Application and click Next . Choose a Project Name (e. ...

 
tutorial

Step 1: Create a Maven Web Project

Explains how to create a NetBeans Web Maven project with Spring and ObjectDB/JPA support. We start by creating a new Maven web project in NetBeans: Open the [New Project] dialog box, e.g. by using File > New Project... Select Maven > Maven Web Application and click Next . Choose ...

 
tutorial

Step 1: Create a Web Project

Explains how to create an Eclipse Dynamic Web Project with ObjectDB/JPA support. We start by creating a new Eclipse Dynamic Web Project: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Web > Dynamic Web Project and click Next . Choose a Project Name (e.g. Guestbook ...

 
manual

SELECT clause (JPQL / Criteria API)

Explains how to use the SELECT clause and projections in a JPA/JPQL query.... This page covers the following topics: Projection of Path Expressions Multiple SELECT Expressions ... SELECT in Criteria Queries Projection of Path Expressions JPQL queries can also return results ...

 
tutorial

Step 1: Create a Web Project

Explains how to create a NetBeans Web Application project with ObjectDB/JPA support. We start by creating a new NetBeans Web Application Project: Open the [New Project] dialog box, e.g. by using File > New Project... Select Java Web > Web Application and click Next . Choose a Project Name (e.g. Guestboo ...

 
tutorial

Step 2: Create a Project and a Report

Explains how to create an Eclipse report project for ObjectDB/JPA BIRT reports. To use BIRT we need to create a BIRT Report project in Eclipse: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Business Intelligence and Reporting Tools > Report Project a ...