Internal Website Search

21-30 of 200 resultsRefresh

Is there a function of "drop table" or "delete from table"?

Besides the em.remove() one by one, is there a function of "drop table" or "delete from table"? TIA gzdillon Lai Yang You can execute a DELETE query:     em.createQuery("DELETE FROM MyEntity e

How to delete a specific column data form a entity.

to delete only the Skill from a row so I use Query like "Delete a.Skill from Agent a where a.Id = 112 ... it. Thank You Manoj Manoj Kumar Maharana delete">DELETE queries are for deleting complete objects (rows). You may use an

OneToMany and cascade delete problem

over offers in store, there is null pointer about not finding offer (which is deleted ... that the Offer class and cascading delete from Product when the Product is deleted. Otherwise a broken reference from Store

Cascading delete

> You can set cascade delete delete#cascading_remove">using annotations ... 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 ... , why? The only way I see right now is to delete the whole db and make a new one, but that's not a good scenario ... of classes in the Explorer, so you may just ignore the deleted class (although it would be cleaner

JPQL Update & Delete (JPA 1.0)

JPQL (Java Persistence Query Language) supports updating and deleting database objects by queries. Currently ObjectDB supports only JPQL SELECT (retrieval) queries.Delete ... uses delete queries to implement repository.deleteAll() public static

Deleting archive log folder causes exception

Hello, we have observed strange behaviour when we delete odb archive log directory. We are running long term tests and during it we are deleting all logs ... are archived, is deleted, the exceptions occur: [2014-01-08 18:53:55

Server User List

="/" permissions="access,modify,create,delete" /> </user> <user username="$default" password="$$$###"> <dir path="/$user/" permissions="access|modify|create|delete"> <quota ... ="access,modify,create,delete" /> <dir path="/$user/" permissions="access|modify|create

Working with JPA Entity Objects

for many operations, including storing, retrieving, updating and deleting database objects. A managed entity object can also be retrieved from the database and marked for deletion ... . The entity object changes its state from Managed to Removed, and is physically deleted

Database Explorer

> 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