 6 | Hi, I've never used an OODB, I'm looking for a starting point but a recurrent concern is the Data Portability one. More clear: what options / strategies do I have to export / move my data ... (based on JPA/JDO standards), but what about Data Portability? Regards, At the moment porting data |
6 | Hi What is the way to extract data from ObjectDB to relational databases (Oracle). We need to feed an Oracle database with data for reporting/datawarehosing. Should JPQL be used or is there some tools to do it. Thanks. Currently there is no such tool, so you will have to migrate data using |
6 | Hi we have found that applying indexes on an existing table erases the data. Are we doing ... it doesn't work well in some cases. Please provide more information. Please check carefully if data ... (without declaring the schema change)? What data is missing? Complete objects? specific fields in |
6 | to set numeric value of field property com.greensoft.objectdb.test.entity.Element.id using reflection ... .6.9] javax.persistence.RollbackException
Failed to commit transaction: Failed to set numeric value ... : com.objectdb.o.UserException: Failed to set numeric value of field property com.greensoft.objectdb |
6 | Hi, could someone recommend a good tool to use for data migration from SQLServer to ObjectDB. Unfortunately there is currently no such automatic tool. Using a JPA ORM library (e.g. Hibernate or EclipseLink) you can write your own conversion program that retrieves data from the SQLServer database as |
6 | I am working on a Spring Boot application. I want to integrate ObjectDB with Spring Data JPA. I refer to the http://www.objectdb.com/database/forum/860 to do the configuration. When I start ... org.springframework.data.jpa.domain.AbstractPersistable.id
at com.objectdb.o.MSG.d(MSG.java:62 |
6 | to retrieve sets of types:
// Get all the managed classes:
// (entity classes, embeddable classes, mapped super classes)
Set allManagedTypes = metamodel.getManagedTypes();
// Get all the entity classes:
Set allEntityTypes = metamodel.getEntities |
6 | );
}
};] from Spring-Data i got a NullPointerException in com.objectdb.jpa.criteria.PathImpl |
6 | Hello, How can I save data dynamically such as "List" in Java -> ArrayList, LinkedList, etc. thanks Seena Abdollahi Seena Abdollahi Software Engineer Lists are persisted automatically as fields of entity classes. See chapter 2 and 3 of the manual for more details. sabdollahi |
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