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OneToMany and cascade delete problem

(which is deleted together with product). You can see this in attached example. The question is - is it a bug ... .test.bug.forum.T501.main(T501.java:73) I think that the Offer class and cascading delete from Product ... of Product instances in a Store when the Product is deleted. Otherwise a broken reference from Store

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 ... Manoj Kumar Maharana DELETE queries are for deleting complete objects (rows). You may use an UPDATE

Cascading delete

Is there a configuration parameter to set this? dmoshal David Moshal You can set cascade delete using annotations (see also the Orphan Removal section). JDO defines similar annotations, and both JPA ... configuration. You cannot set global cascade delete since that will be too risky - you may delete the entire database. support Support

Delete class from DB - through Explorer

Hi! I was looking for ways to delete a class (entity/embedded) from a database through Explorer ... is to delete the whole db and make a new one, but that's not a good scenario ... . However, it only affects the list of classes in the Explorer, so you may just ignore the deleted class

Cascade delete with unidirectional mapping

Suppose entity A is referenced from entity B, like (A -> * B) but not actually having that reference, instead only B has @ManyToOne relationship to A and A has none. Is there a way to cascade delete of B's when deleting A? Or this should be done programatically with separate call to database

Need disk usage and delete some old files

Hello , is it possible to get disk usage of database ? If disk usage becomes too high , delete old date files from database. And recalculate disk usage back ? kadirbasol Kadir BASOL Since an ObjectDB ... "Need disk usage and delete some old files" and should be focus only on that subject. support Support

Server User List

" ip="" admin="true"> <dir path="/" permissions="access,modify,create,delete ... |modify|create|delete"> <quota directories="5" files="20" disk-space="5mb" /> </dir ... <dir path="/" permissions="access,modify,create,delete" /> <dir path="/$user/" permissions

Database Explorer

that has to be set. The functionality of the Edit > Delete command depends on the context. Deleting a reference field sets the value to null without deleting any referenced entity object. On the other hand, deleting an entity object that is represented by a child of an Extent node in a viewer window

Issue with cascade delete & add/remove

of Address which cascades deletes (orphanRemoval=true) to its children which is what we want ... it has never been deleted from the collection (at least, until the transaction is comitted ... Entities within the collection of a Contact when we delete the Contact? Is that cascaded or do we need

Deleting a broken reference that was fixed to null in the Explorer

Using version 2.7.4_01, we did a repair. After repair a former link to a missing reference was converted to null. This cannot be deleted using explorer hgzwicker Hans-Georg Zwicker Thank you for this report. Build 2.7.4_02 fixes the issue. support Support

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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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