ObjectDB ObjectDB

Internal Website Search

161-170 of 200 resultsRefresh

Failed to synchronize replicated database

suppose that we can harmlessly delete all recordings when ODB Server is offline, and it will create new ... to the basepoint and deleted later to save disk space? thamal Tomas Hamal The recording files ... still? It doesn't seem to me as a good practise, so I would rather delete all transactions and create new

ObjectDB JDO - foreign key constraints

to delete my Person object (pm.deletePersistent()), I am allowed to do so. Since the person is referred ... this behaviour? Also, how can I control cascading updates and deletes in JDO? There seems to exist ... . caused by deleting an object but keeping a reference to it). Regarding cascading operations


- Update queries are not supported yet. Used with this code: "DELETE l FROM License l WHERE l.id = ?1 ... .getTransaction().commit(); Another option is to run a JDO DELETE query, e.g. em.getTransaction ... .getTransaction().commit(); JPA DELETE queries are expected to be supported soon. You may subscribe to this issue. support Support

Record is not clearing properly on remove

I have a entity Agent which is one-to-many relationship with entity AgentGroup but when i delete ... Kumar Maharana You have to remove it from the collection and then delete it. Alternatively, if you use ... side and the agent group as the mapped by side, you just have to delete the owner object in the relationship


and then to fix it. If it doesn't help - you may have to delete that specific entity object to make ... and immediately after a create, update or delete operation the DB throws these errors again. I tried ... the doctor the same behavior was experienced. I then tried to delete the DB and create it from

locks on pure query activities

that are just doing simple queries (just selects, no update or delete ...) show locks like these (question ... ="/" permissions="access,modify,create,delete" /> </user> <user username="$default" password="$$$###"> <dir path="/$user/" permissions="access,modify,create,delete"> <quota directories

Show Sql/Jpql

can only see select statements, but I also want to see insert, update and delete wua Andreas Wurm ... implementation) does not use queries to implement Insert, Update and Delete operations (except delete/update

Empty temporary dat files in the temp folder

-file is enabled. In the new build (2.6.8_08) the temporary file is deleted when the database file ... today. Still, ObjectDB deletes all unused temporary files periodically (also in 2.6.8_06). This happens when a new temporary file is created if the last "all unused temporary files deletion" operation

Schema-Update: Rename superclass and remove one subclass

to RenamedSuperClass and Remove the ChildClassB. <schema> <package name="schemaupdate.delete ... ) at schemaupdate.delete.UpdateDB.main(UpdateDB.java:32) Exception in thread "main" [ObjectDB 2.6.9 ... ) at schemaupdate.delete.UpdateDB.main(UpdateDB.java:32) btc_es BTC EmbeddedSystems Thank you for your report

com.objectdb.o.InternalException: java.lang.NullPointerException

About database, it is going to take me a lot of work to delete data on 120 entities, and then load bulk data ... to delete data on 120 entities, and then load bulk data in about 60 entities to load one Nosis ... empty instances of the relevant classes, rather than to use a production database and delete

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support