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Open several objectdb databases the same time

on different application instances! Following steps are required: 1. Update in conf file following

Bulk Delete and Update - best practice?

both tests with the default objectdb.conf. In general is an UPDATE/DELETE statement the most efficient way

a second mapping-file is ignored in persistence.xml by enhancer

, because not all entities were enhanced (the activation code would be removed from objectdb.conf

internal object DB locking in an embedded multi threaded application

(mainly the initial database size). support Support If no conf file is found or provided


entity. Modified conf file, and got the test case working perfectly. However, as the OP posted

JDO sequences from ORM file

the logging level to "debug" in objectdb.conf, but sequences don't seem to be mentioned in the output

multiple connection using share folder

: java com.objectdb.Server [options] start | stop | restart options include: -conf <path> : specify

java 8 LocalDateTime is not working in query

am not explicitly using objectdb.conf and hence default serialization="false" is being used in my case

cannot delete objects after crash (see issue 2283)

client-server mode. Could you please post your production objectdb.conf file? support Support find

Unexpected exception during query, if entity is not enhanced

Hello, the entity TCVector is not enhanced and the enhancement check in the objectdb.conf is active. And we got an unexpected exception in our main thread. Do you know why? We had expected that the activated enhancement check would throw an exception. In a parallel secondary thread we got

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.

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