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131-140 of 200 resultsRefreshem.flush(); em.clear(); loosing data and not persisting managed objects has multiple fields that are related but takes too long to access when using embededId's. Maybe ... ID method of @IdClass and multiple @Id fields and a non annotated POJO as shown in the manual | |
Inserted entities with strings as keys and indices needs more and more ram memory in comparing to primitive integers as keys and indices primary keys are sequential. So when you persist multiple new objects their primary keys ... class="code">GeneratedValue primary keys are sequential. So when you persist multiple new | |
On ensuring ID available after persist to commit or flush - multiple IDs for multiple | |
Searching lists within objects solution: Avoid multiple Attribute instances ... if indexes are currently used in such comparison, so it might be still more efficient to use multiple JOINs | |
How to open a running db in ObjectDB Explorer?, client server mode supports accessing a database concurrently from multiple processes (embedded mode ... server mode supports accessing a database concurrently from multiple processes (embedded mode supports | |
ArrayIndexOutOfBoundsException at com.objectdb.o.ALS.c(ALS.java:89)">EntityManagerFactory with multiple EntityManager instances. It is uncommon to create multiple EntityManagerFactory instances as demonstrated by your code. support Support | |
Query in JPA2 with LEFT JOIN on INNER JOIN on ap9.id_action=a.id and ap9.id_profile=9; How to specify multiple conditions on left join ? faber Faber You cannot specify multiple conditions on left join in JPQL | |
Performance tuning, best practices> ObjectDB can use multiple cores to serve concurrent requests from different users, and also tries to use multiple cores for a single request, but the later is usually more complex | |
objectdb.home for client/server even know where our object db home is located at as we might have multiple server instances running on multiple machines so all we do really need to supply should be the server connection url | |
Internal error by multiple threads and / or other PersistenceManager instances ... by multiple threads and / or other PersistenceManager instances. You wrote: > |