Home » Search

About Data Set

61-70 of 200Refresh
Manual
7

Query Parameters in JPA

for a real value. Before the query can be executed a parameter value has to be set using the setParameter ... more occurrences in the query string. A query can be run only after setting values ... excels in its thin and simple API. There are 9 methods for setting parameters in a query
JDO Doc
7

javax.jdo.Transaction

a transaction. Begin a transaction. The type of transaction is determined by the setting of the Optimistic ... Since: JDO 1.0 boolean getOptimistic() Optimistic transactions do not hold data store locks until commit time. Optimistic transactions do not hold data store locks until commit time. Returns: the value
Forum
7

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
7

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
7

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
7

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
7

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
7

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
7

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
Forum
7

ObjectDB data migration/extraction

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