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18

How to create a wildfly datasource with dsJndi name to an objectdb database?

Hello everybody, maybe someone can help me creating a wildfly datasource to an objectdb database? I want to setup the authentication in my JEE-Application working the following way: - users ... Therefore I need a dsJndiName for the objectdb database and I can't find anything how to create
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18

Is there any GUI for creating/editing entity?

Hi, I'm new for JPA/JDO. How should I create/edit entity class? Is there any GUI?   In my searching easily, there is the jpa function of myeclipse, or Dail. http://www.myeclipseide.com/documentation ... for creating/editing entity and JPA/JDO things. I'm expecting the one like MySQL Workbench.    TIA :) Some
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18

Does ObjectDB create one instance of each entity class on (web app) load ?

reason create an instance of each entity (and if so, under what circumstances) ?   I can also see that for Abstract bases of entities it is creating one instance with an instrumented class name
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18

Create simple index for a Id field

, so you don't have to create an index for the id. The thing is that I noticed it's really fast
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18

Does JPA have any configuration to create DDL's that are database specific

There some JPA classes who's names more that 30 character. This worked well in MySQL , Derby , PostgreSQL but when it was tried on oracle , we hit the constraint that oracle has of 30 characters.   So basically my question is that is there any JPA have any configuration to create DDL's
Forum
18

How to create a Unique constraint?

Hi, I'm trying to create a unique constraint. Here is a simple example: @Entity public class Account { @Id @GeneratedValue private long id; @Index(unique="true") private String name; } The code runs and my Account objects are persisted. But no exception is thrown
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18

how to create in memery database in objectdb

plz can u give or help me how to create in memory database in objectdb   with example See answer in this forum thread (also use that other thread for further discussion). yadavanil
Forum
18

Is there an administration tool with which I could create extra indexes?

Hello, I have composite index, and it was working fine, but now I need to add more features to the software and I need to throw more indexes in there. I wanted to know what's the best way to do this. 1. Have some admin tool CREATE INDEX..... ON a.b or 2. add more @Index to the object entities. in
Forum
18

JPA - ExceptionInInitializerError when creating EntityManager

& Also, My client Computer. Create a separate project & copy my original sources into it. I did
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18

recovery enabled="false", still creates tablename.odb$ files

Running in embedded mode, configuration specifies "".  Still, tablename.odb$ files get created, and if still present after an abrupt stop, the application will not restart properly.   What do we need to do to not utilize recovery files (not have orphan tablename.odb