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impossible to drop a table with 50 million objects

when trying to execute in explorer (max heap size 1GByte) delete from LogEntry l it comes up with a Java heap error after 20 minutes of executing. How to empty such a table ? hgzwicker Hans-Georg Zwicker This may be because the transaction size is limited by the heap size. You can try deleting

Should I be able to persist a JFrame (or gui components in general)?

" it returns empty strings, but there should have been text at the time this ran: System.out.println

Persist error @ManyToMany how to define correct entities relationships

is created, the table is empty, however categories are well present within Product (as

Error 363 - Failed to read value of inverse relationship

                if (isDatabaseEmpty()) { // database is empty, create entity classes

InternalException & UserException using objectdb with Jboss AS 7.1.1 final

persistable types in the database concurrently, i.e. when running the application with a new empty

Entity Type is not found (error 301) in Query

support! You are right, the first query is invoked when the database is empty - no persisted

Database absolute filepath

) and create a new empty database. By default it works only for database files with the temp / tmp file name extensions. support Support

Database is erased after deploying a new web application version

Hello, I'm a new ObjectDB user and currently working on a Java web application that's running within Tomcat and uses ObjectDB. Each time I upload a new version of the web application (WAR file) and deploy it from Tomcat's manager, I get a new empty database. I assume there is a way (possibly


on empty database queries). The app also runs for a period of time before the first error occurs

Issue with UPPER ?

that satisfy:   ($4.name!=null). [Step 8a3f] Prepare an empty result set. [Step 8b] Filter

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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