About bulk delete

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Manual
4

Database Connection using JPA [2011-08-30]

. drop - for deleting any existing database content (useful for tests). To connect to an ObjectDB server ... ); EntityTransaction Operations that affect the content of the database (store, update, delete
Manual
4

SELECT clause (JPQL / Criteria API) [2013-03-11]

objects, transparent update detection, support for delete, etc. Query results are not limited to entity ... efficiently. They are less productive with operations that update or delete entity objects, in
Manual
4

Locking in JPA [2011-04-30]

that has to be updated or deleted is checked. An exception is thrown if it is found out that an update ... deleted, and compares the version number of that object in the database to the version number
Manual
4

Locking in JPA

that has to be updated or deleted is checked. An exception is thrown if it is found out that an update ... deleted, and compares the version number of that object in the database to the version number
Manual
4

Database Management Settings [2016-01-26]

and deleted by ObjectDB when the database is closed. The name of the recovery file is based on the name ... in tests). The content of these temporary databases is deleted when using the drop url connection
Manual
4

Chapter 1 - Quick Tour

ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete ... , retrieving, updating and deleting Point objects. To run the sample program of this chapter in
Manual
4

SELECT clause (JPQL / Criteria API)

objects, transparent update detection, support for delete, etc. Query results are not limited to entity ... efficiently. They are less productive with operations that update or delete entity objects, in
Manual
4

Database Management Settings

and deleted by ObjectDB when the database is closed. The name of the recovery file is based on the name ... in tests). The content of these temporary databases is deleted when using the drop url connection
Forum
3

Server closes if large query runs out of memory

if you can provide a memory heap snapshot. The memory problem occurred during JDO deletion query, and the temp threshold was set and was low (64mb).  There is an easy work-around, which is to divide up the deletion into smaller number of objects.  I understand that JPA bulk delete doesn't involve any object
JDO Doc
3

javax.jdo.Query

() Deletes all the instances of the candidate class that pass the filter. Deletes all the instances ... that were deleted, specifically not including the number of dependent and embedded instances. Dirty ... life cycle changes as if deletePersistent were called on them. Specifically, if the class of deleted