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6

Dependency from enhanced classes to the objectDB library

? Then we may be able to solve the persistence unit not found exception using the hint at #2. support Support
6

ODB with Netbeans

these errors in Tools > Options > Editor > Hints > Java. However, please notice that you may ignore
6

Performance issue in a query due to compareTo calls

Hello, we have a question again regarding query performance. The query: SELECT v FROM Values v WHERE v.step.stepNumber = ? is very slow in comparing to the query: SELECT v FROM Values v WHERE v.stepNumber = ? Can you explain why the first query needs so much time or do you have a hint
6

Performance issue in a query due to internal calls visitRefs and visitKeyRefs

can be executed. support Support thank you very much for the hint btc_es BTC EmbeddedSystems
6

Apache Tomee 1.5.2: Failed to use JTA (TransactionManager is not found)

:411) at com.objectdb.jpa.EMF.initJta(EMF.java:126) ... 28 more Any hints please? Thanks a lot in
6

Change Sequcene Id

of an existing sequence. The purpose of the allocate(...) method is different (hint to improve
6

Out of memory

changing some queries, setting indexes or using the objectdb.result-fetch hint could help. Finally
1

ObjectDB 2.8.4

query hint for setting a preferred variable processing order (issue #2379)
1

Unexpected not reproducable exception during commit

you for the hints. best regards BTC btc_es BTC EmbeddedSystems We can release a new build that will log
1

Negative snapshot user count exception

. by providing a link in a private support ticket) we can try getting some hint. support Support

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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