About data integrity

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Issue
6

Best practise loading big data

is the main data provider within our solution. In the past we often discovered performance problems when it came to transactions with lots of entities. We have a scenario in which we need efficient data ... we access the data block by block - in each block step by step and in each step value by value
Forum
6

can not use spring-data-jpa repository with NamedQuery

in spring-data-jpa named queries are used to implement repository interface methods, see http://static.springsource.org/spring-data/data-jpa/docs/current/reference/html/#jpa.query-methods.named ... :310) at $Proxy24.getParameters(Unknown Source) at org.springframework.data.jpa.repository.query
Forum
6

Spring Data JPA

Hello! When i configure Spring Data JPA to use ObjectDB 2.4.0_03 i get an exception ... ) at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getMetadata(JpaEntityInformationSupport.java:56) at org.springframework.data.jpa.repository.support.JpaRepositoryFactory
Forum
6

em.flush(); em.clear(); loosing data and not persisting managed objects

storing data from files that was originally in a RDMS and exported as csv like files (1 file per table with one row per entry). These tables are the data from the backend of an antiquated source code/bug ... to get the data directly. The code is stored on the file system in SCCS, but the history of each change
Forum
6

Exporting the data out of the ObjectDB

system. However we want to work on one of the aspects that is the data should be able to pulled out of the ObjectDB to some sort of Big Data File system or Relation DB for reporting / analytics ... our OLTP to be affected by data intensive reporting and analytics requirements. This could be handled
Forum
6

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 ... to retrieve data from RDBMS tables and then use the same JPA entity classes to store the data in ObjectDB. Hi
Forum
6

Missing Data on Retrieval (0, null values)

contains all necessary Data. Most of the others  contains all  Object-Rows', but most Values ... ). The Data is even missing in the  resultlist without any Export-Function. A little Example: First try ... accessing the fields directly) then you must make sure that data is fetched from the database before
Forum
6

Spring Data JPA - PersistenceException thrown

.data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.getMetamodels(JpaMetamodelMappingContextFactoryBean.java:90) at org.springframework.data.jpa.repository.config ... .data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.createInstance
Forum
6

Wrong data stored in time only fields

This may be related to the fix for the problem described in this thread: Wrong data stored in date ... are using the 2015g time zone data. While we cannot see a problem with date only fields (more testing ... , but see further explanation of some odd values below. Here is the data used to create the 9 records: 2015-12-19 18:12:53,000
Forum
6

Data portability

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