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Server Configuration

to the database (as explained in the JPA Overview section in chapter 3). The max attribute specifies the maximum ... prefix, if specified (as demonstrated above), represents the ObjectDB home directory. The data path

Database Doctor

. Modifying the database file externally not through ObjectDB (e.g. by malicious software such as ... file (e.g. my.odb as shown above). Diagnosis results are printed to the standard output. Running

Is ObjectDB scalable? What are its limitations?

ObjectDB is highly scalable and can manage efficiently databases in a wide range of sizes, from a few Kilobytes to hundreds of Gigabytes and even Terabytes. ObjectDB can be used in small embedded single user applications as well as in heavy loaded multi threaded multi user applications. ObjectDB

Step 7: Run the Spring Web App

At this stage your project should have the following structure: Use copy and paste to replace the content of the index.jsp file (which serves as the default front page) with the following redirection ... as a server in your NetBeans - you should be able to run your application now by selecting Run > Run

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Right click on the project in the [Package Explorer] window and select New > Class. Enter tutorial as the package name (case sensitive). Enter Point as the class name (case sensitive). Click Finish to create

JPA Web App Tutorial - Eclipse Project

> Import... > Maven > Existing Maven Projects and click Next. Select the guestbook-web directory as Root ... click the project node and select Run As > Run On Server. (this command is available only if Maven

Step 3: Add a Context Listener Class

> Other... Select Web > Web Application Listener and click Next. Enter GuestListener as the class name - use ... the entity class and creates an EntityManagerFactory instance and stores it as an application scope

Step 2: Define a JPA Entity Class

) and selecting New > Java Class... Enter Guest as the class name - use exactly that case sensitive class name. Enter guest as the package name - use exactly that case sensitive package name. Click Finish

Getting Started with JPA - Eclipse Project

directory as Root Directory and press ENTER. Select the project and click Finish. Run the project in Eclipse: Right click the project node and select Run As > Java Application. Select Main - point and click OK.

Which API should I use - JPA or JDO?

. Therefore, it might be the first choice for most new applications. You can use JPA as the primary API, and if necessary, switch to JDO as a secondary API for special additional features

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.

Need Help?

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