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Forum
4

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
Manual
3

Database Doctor

over FTP in ASCII mode (BINARY mode should be used). Deleting an ObjectDB database recovery file or
Manual
3

Database Schema Evolution

Modifications to entity classes that do not change their persistent field definitions (their schema) are transparent to ObjectDB. This includes adding, removing and modifying constructors, methods and non persistent fields. However, additions, deletions and modifications to the persistent fields
Manual
3

FROM clause (JPQL / Criteria API)

_TIMESTAMP,DELETE, DESC, DISTINCT, ELSE, EMPTY, END, ENTRY, ESCAPE, EXISTS, FALSE, FETCH,FROM, GROUP, HAVING
Manual
3

General Settings and Logging

. After that period an archived log file is automatically deleted. The elements
FAQ
3

How to install ObjectDB?

ObjectDB is distributed as a zip file. Just download and extract the ObjectDB distribution zip file. No need to run any install or setup program. You can uninstall ObjectDB by deleting the ObjectDB directory. ObjectDB does not modify the registry or any other system file.
Manual
3

JPA Lifecycle Events

the EntityManager. @PostRemove - after deleting an entity from the database (during commit or flush). An entity
Manual
3

JPA Primary Key

are deleted from the database. The primary key value of an entity can be accessed by declaring a primary
Manual
3

ObjectDB Developer's Guide

, retrieve, update and delete database objects. Explains how to use the JPA Query Language (JPQL). Presents
Manual
3

Obtaining a JPA Database Connection

database content, such as store, update, and delete should only be performed within an active