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98

Difference performance in ObjectDB Explorer and in java project

Hello, I am learning ObjectDB and i noticed that the queries that are executed in ObjectDB Explorer are faster (about 5 ms) than queries in my project (~400 ms). Here is my JPQL query : SELECT p ... ? Performance is better, but still not the same 1000 ms in my project and about 300 ms in explorer
98

Is an objectdb.conf required when providing test case projects here?

I am not sure whether it is mentioned anywhere (it does not seem to be given as an option under http://www.objectdb.com/java/jpa/setting) but it seems that ObjectDB projects run without an objectdb ... to completely omit the objectdb.conf when providing (links to) mini test projects here on this forum
97

Inherited project; missing licence details

Hello, I have taken over a project that uses object db. I believe that we have a site licence but do not have the details of how to generate keys for servers etc. Is there anyway that I can get this information forwarded to myself? I would rather not put my work email on a public forum but I'm
97

Analyse opensource project

Hello , it will be good if you analyse open source project : i heard it new. Maybe it can be helpful for more faster objectdb or jdbc side. kadirbasol Kadir BASOL It is a competing product, which of course, you may use if it works well for you. If you want to discuss it please use their forum
97

Deploying a BIRT Project using ObjectDB onto Tomcat

. If you still have a problem you may submit a sample web project that demonstrates it. support Support
97

Issue deploying EJB project to Jboss/Glassfish

I have been trying to deploy an EJB project created in Eclipse/Juno to both JBOSS and Glassfish. The error I get with Glassfish is cannot Deploy HappyThought Deployment Error for module: HappyThought: Error occurred during deployment: Exception while preparing the app : java.lang
97

The project does not contain a persistence unit

to your project, in order to remove this NetBeans warning. support Support The warning doesn't
92

problem with lazy loading - unittest project attached

problem with lazy loading - unittest project attached
19

SELECT clause (JPQL / Criteria API)

- JPQL does not support the "SELECT *" expression (which is commonly used in SQL). Projection of Path ... projection. The field values are extracted from (or projected out of) entity objects to form the query ... that uses projection when a result path expression resolves to an entity. For example, the following
3

Step 7: Run the Spring Web App

At this stage your project should have the following structure: Use copy and paste to replace ... Main Project from the main menu (or F6): You can select the server in the Run category of the project properties window (right click the project node and select Properties to open it). Alternatively

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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