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Server closes if large query runs out of memory

-around, which is to divide up the deletion into smaller number of objects.  I understand that JPA bulk delete doesn't involve any object retrieval, whereas perhaps JDO deletion does.  Would using JPA for large ... heap snapshot. support Support The memory problem occurred during JDO deletion query

SELECT clause (JPQL / Criteria API)

/jpa/persistence/delete">delete, etc. Query results are not limited to entity objects ... for displaying information efficiently. They are less productive with operations that update or delete

Database Management Settings

when a database is opened and deleted by ObjectDB when the database is closed. The name of the recovery file ... ). The content of these temporary databases is deleted when using the

Database Connection using JPA

a user password in client server mode. drop - for deleting any existing ... , update, delete) must be performed within an active transaction. The

Locking in JPA

is applied on transaction commit. Any database object that has to be updated or deleted ... that has to be updated or deleted, and compares the version number of that object in the database

Chapter 1 - Quick Tour

and Delete) on ObjectDB databases. The example program that this chapter presents manages ... demonstrates CRUD database operations by storing, retrieving, updating and deleting Point objects

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

to delete data on 120 entities,  and then load bulk data in about 60 entities to load ... ; support Support The problem is that I need to delete data on 120 entities, and then load bulk data in about 60 entities to load one Nosis. That process 

[ODB1] Chapter 5 - JDO Connections

, retrieving, updating and deleting database objects, are provided in the next chapter (delete ... the temporary file is marked as obsolete (and for efficiency, it is deleted only when the database

javax.jdo.Query

">deletePersistentAll () Deletes ... "> Deletes all the instances of the candidate class that pass the filter. Returns the number of instances of the candidate class that were deleted, specifically not

javax.jdo.JDOEntityManager

of Query for executing a native SQL statement, e.g., for update or delete ... of Query for executing a native SQL statement, e.g., for update or delete ... > (Object pc) Delete the persistent instance from