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Forum
17

Dependency from enhanced classes to the objectDB library

Hello, we have a Question to the dependency from enhanced classes (required for license ... the example (Eclipse OSGi Example #2) I have the ObjectDB removed from the bundle "com.btc.ep.base.bl.impl". Now we get the error message from post #1. java.lang.NoClassDefFoundError: com/objectdb/spi
Forum
17

Failover from Master to Slave

to evaluate your tool I would like to know if your product has the ability to failover from a Master ... , but if the Master database goes down the application will still be able to read from the slaves ...   Currently automatic switching from a failed master database to a replicated database
Manual
17

Retrieving JPA Entity Objects

The Java Persistence API (JPA) provides various ways to retrieve objects from the database ... with data that is retrieved from the database (or from the L2 cache - if enabled). The new entity object ... as is. Otherwise, the object data is retrieved from the database and a new managed entity object
Forum
17

Finance data from SQL Server into ObjectDB daily

feedback from the community to see if I'm thinking about it right.   We have a finance data mart that is appended to daily via an SSIS package. I would like to pull the data from SQL, add ... ? Is there a way to map the structure of the table directly into ObjectDB from SQL Server?   Thanks
Forum
17

How to define database structure and insert some initial objects from scratch

Hi from Spain! We're evaluating ObjectDB and we have some questions: - How can we create ... need initial structure like tables, but how can we populate some "tables" with initial data from ... jdbc driver for ETL software like Kettle? How about migrating data from another database
Forum
17

Is there a function of "drop table" or "delete from table"?

Besides the em.remove() one by one, is there a function of "drop table" or "delete from table"? TIA You can execute a DELETE query:     em.createQuery("DELETE FROM MyEntity e").executeUpdate ... . The code “createQuery("DELETE FROM MyEntity e").executeUpdate();” works, but it can not reset id to zero
Forum
17

migration path from JPA / Hibernate

when using Entities previously geared towards JPA / Hibernate migrating data from existing ... program that retrieves entity objects from Hibernate, detaches them and then persists them using ObjectDB ... for the detailed answers! > retrieves entity objects from Hibernate, detaches them and then persists them using
Issue
17

Navigation through lazy loading from Detached Objects

) is: Retrieval by navigation from detached objects is not supported, so only persistent fields ... : on accessing lazy loaded relationships outside a transaction, after a query, from Glassfish forum thread ... a similar extension in ObjectDB would ease emigration of web applications from EclipseLink to ObjectDB. Just
Forum
17

Query becomes slower on moving from ObjectDB 1.x to ObjectDB 2.x

from 1.x to 2.x. To activate the index the database has to be rebuilt by running the Doctor in repair ... . i will check it and let you know. I will use the following command after i convert from 1.x to 2.x ... more. So, please let me know what exactly i need to do to solve this ? You didn't mention step 4 from post #9
Forum
17

Import data from MySQL

mysql data into objectdb? Currently to import data from other databases to ObjectDB you will have to write your own conversion program. If you use JPA with MySQL you can retrieve old data from MySQL ... Replication feature. You may subscribe to this feature request to increase its priority. See also the migration path from JPA / Hibernate forum thread. gzdillon