About removal

forum_thread

Best practice: Database update/migration of embedded databases in products

Hello Support, what experience do you have for data migration within a product? An example: There are three versions of a product (v1.0; v1.1, v2.0). In each version, the entities have been modified. Attributes added, removed and renamed. If attributes were removed, then only because the data is now held otherwise. #1 2015-01-14 12:09 Hello Support, what experience do you have for data migration within a product? An example: ...

 
forum_thread

Bulk Delete and Update - best practice?

The attached test creates 1000 large objects and then attempts to delete them all in one go using a DELETE statement. I'm trying to run with -Xmx512m but the test runs out of memory during the delete. The attachment also contains an update test which has similar memory problems. I'm running both tests with the default objectdb.conf. In general is an UPDATE/DELETE statement the most efficient way to update/remove a large number of objects? ... doesnt seem to be the case. Could you advise? The removal of UPDATE/DELETE limitations would definitely get my vote on the ...

 
release

2.5.6

... 2.2.8 Fixed a critical bug in extensive removal operations of large objects. Improved the performance of ... object in the L2 cache. Fixed orphan removal of owner entity object in bidirectional relationship. ...

 
release

2.3.7

... 2.2.8 Fixed a critical bug in extensive removal operations of large objects. Improved the performance of ... object in the L2 cache. Fixed orphan removal of owner entity object in bidirectional relationship. ...

 
release

2.4.1

... 2.2.8 Fixed a critical bug in extensive removal operations of large objects. Improved the performance of ... object in the L2 cache. Fixed orphan removal of owner entity object in bidirectional relationship. ...

 
forum_thread

How to delete M2M relationship?

In user model class I have the following: public class User implements Serializable { #1 2013-08-06 19:19 In user model class I have the following: public class User implements Serializable { ...

 
api-jdo

javax.jdo.FetchPlan

Fetch groups are activated using methods on this interface.(Interface of JDO)

 
release

2.3.0

... 2.2.8 Fixed a critical bug in extensive removal operations of large objects. Improved the performance of ... object in the L2 cache. Fixed orphan removal of owner entity object in bidirectional relationship. ...

 
release

2.5.5

... 2.2.8 Fixed a critical bug in extensive removal operations of large objects. Improved the performance of ... object in the L2 cache. Fixed orphan removal of owner entity object in bidirectional relationship. ...

 
release

2.4.0

... 2.2.8 Fixed a critical bug in extensive removal operations of large objects. Improved the performance of ... object in the L2 cache. Fixed orphan removal of owner entity object in bidirectional relationship. ...