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Updating JPA Entity Objects

objects by fields that are marked with CascadeType.PERSIST or CascadeType.ALL are also persisted

Date and Time in JPQL and Criteria Queries

and time expressions that represent the current date and/or time: // Create current date

JPA Exceptions

to retrieve entity objects from the database. For example, when a required entity object is not found: or

CRUD Database Operations with JPA

all the Pointobjects whose x coordinate is greater or equal to 100 are deleted. All the other Pointobjects

ObjectDB - Object Database for Java (JPA/JDO)

you will be able to run your first Java and JPA database driven application in Eclipse or NetBeans. Forget

Java EE JPA Tutorial - Maven Project

The Java EE Web Application tutorial provides step by step instructions on how to build a simple Java/JPA database driven web application (for GlassFish 3/ JBoss 6) in Eclipse or NetBeans. Building a new application step by step is an effective way to learn - but if you prefer, you may download

Step 1: Create a Java EE Web Project

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.g. Guestbook) and click Next. Select GlassFish Server 3 (or above) and Java EE

JPA Web App Tutorial - IntelliJ Project

and click the green run icon (or Shift+F10). If the browser fails to open check the settings at File > Settings > Web Browsers.

Step 7: Run the Spring Web App

Main Project from the main menu (or F6): You can select the server in the Run category

JPA Web App Tutorial - Eclipse Project

Integration for WTP is installed when the Maven project is imported into the IDE). Choose or define

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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