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that modifies the database, DELETE queries can only be executed within an active transaction

class is its unqualified name (i.e. excluding package name) but it can be modified by

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.

> Modifying the database file externally not through ObjectDB (e.g. by malicious software

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

the sample program. You can easily start your own ObjectDB/JPA projects simply by modifying

when remove is called because operations that modify the database require an active

. On commit - new and modified entity objects are added to the shared

>@Transactional annotation, saving the need to wrap every operation that modifies the database

that modifies the database (such as persist) by transaction begin and