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8

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
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8

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
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8

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
Forum
7

index - data rewrite

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
Forum
7

Storing a tree of data (depth=3)

can persist books. I have a problem with movies. The difference to the books? The depth of the data ... @Entity and @Embeddable) and a roleName (String) There are other data like list of directors, list ... regards, Thomas APPENDIX: I'm using lombok ... @Entity @Data @NoArgsConstructor
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7

DB Doctor sets type to "unknown" for new fields

to the schema as expected, however their type is set to unknown - we were expecting Boolean. The attached ... ) is set to unknown. Both are defined as Boolean in Java code. As a result, update operations ... to false: UPDATE RecordingMetaData AS r SET r.emergency=false WHERE r.emergency IS NULL DB Explorer
Forum
7

Setting temp directory location in ObjectDB

file. I am using JDO and setting the persistenceManager as follow properties.setProperty("javax.jdo ... " /> But can you please let me know, if i dont want to use the conf file, how can i set the temp directory using my java class  e.g setting through system property or ..... I m using fileName.odb file
Forum
7

Can a Set<E> be a foreign key?

a variable (private Set cellHeldCharacters;) which holds the IDs of the characters within the cell ... /unrecommended to do it for a Set? For a better picture, I have: @Entity public class Character ... ;     private double cellSize;     private Set cellHeldCharacters; And I want to know if I