Fast Object Database for Java - with JPA/JDO support

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EntityManager JPA or JDO impl and different behavior

another problem with lazy loading. In the attached project it's demonstrated how, by having a Map

Type ... is not defined as an entity (@Entity is missing) (error 302)

Support I'm having the save error building the helloworld exemple(

Duplicate Entity class names causes Exception in Query

it works without having to use qualified entity names. Sorry, I didn't see that you only want

How to delete a specific column data form a entity.

I have a entity class named Agent having fields Id,Name,Code,Skill ...etc. I wants to delete only the Skill from a row so I use Query like "Delete a.Skill from Agent a where a.Id = 112" but It gives error like "Unexpected query token 'agsk' (FROM is expected)". How to resolve it. Thank

Query becomes slower on moving from ObjectDB 1.x to ObjectDB 2.x

Hi, I upgraded the odb file using converter.jar which is having 15943 entry. Previously, with object 1.x, the same query was getting executed within an seconds and now the same is taking around 40 seconds in object db 2.x I have build the query using the follwoing Query query = persistanceManager

ObjectDB Explorer very slow with remote con

. By having just 1 SSH connection to the VPS, it works at an acceptable speed. Sorry and thanks for your reply. zmirc Mircea Chirac

dual access

Hello Exploring the product having had significant experience win Kodo/BEA/JDO1.x, yes I know dated but still works. Is it possible to still have the SQL emitted from only the JAVA syntax? If so is it also possible get each SQL statement before it is sent to the store? Does objectdb only permit

@ElementCollection query returning extra result per element in collection

Hi, I'm having a hard time narrowing down an issue that only became apparent with in the UI. The issue is that, I'm getting repeated results of the owning entity of an '@ElementCollection'. The entity returned is repeated for every element in the collection. Switching back to EclipseLink

_PersistenceException: Type is not found on getSingleResult.

Greetings. I'm new to ObjectDB. I'm using an ObjectDB local database for a Java SE standalone application and i'm having issues querying for an object of this entity: @Entity public class Estudiante{     @Id     @GeneratedValue     private Integer id;         @Column     private String

java.lang.ClassCastException in OSGi runtime when loading data from DB

the classes and having to move data around between the Entities and DTOs. Many thanks in advance

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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