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7

First query takes 4+ minutes to complete

" on-persist="false" on-commit="true" /> <dirty-tracking arrays="false" /> </entities> <schema> </schema> <server> <connection port="6136" max="100" /> <data path="$objectdb/db
7

NPE when getting Persistence manager

schema upgrade, which might be be fixed by now. It may possibly be solved if you update your entity ... of code and then with older version, so there might have been some schema upgrade in between
7

how explorer queries work

faking it somehow? jon jon ObjectDB stores the schema in the database (in the odb file) so it doesn't ... to build missing entity and embeddable classes, based on the schema that is internally stored in
7

config optimizing

" /> <dirty-tracking arrays="true" /> </entities> <schema> </schema> <server> <connection port="6136" max="100
7

locks on pure query activities

="false" on-commit="true" /> <dirty-tracking arrays="true" /> </entities> <schema> </schema
7

Performance tuning, best practices

-tracking arrays="true" /> </entities> <schema> </schema> <server> <connection port="6136" max="100
7

Performance Issues After Migrating to ObjectDB - Urgent Assistance Required

" />         </entities>         <schema>         </schema>         <server
1

Internal objectdb exception when using different language on a machine

contains the schemas of all entities, also of the entities of the sub database. The main database ... database. The sub database contains only a restricted schema, here we have the only one not
1

InternalException

) [objectdb-2.4.0.jar:] ... 1 more quasado Alexander Adam Have you changed the schema recently (e.g ... due to missing details. The exception may be the result of changing schema without restarting the database. support Support
1

ObjectDB 2.0.0

through inverse (mapped by) fields. Fixed some bugs in automatic schema evolution. Fixed a Server/Explorer class loading bug (after schema change). Fixed a bug in the ObjectDB Doctor Tool.

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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