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61-70 of 200 resultsRefreshSoft Reference Object Cache Recommendation desire to have my persistent objects be cached until the Java Virtual Machine (JVM) does ... Used (LRU) mechanism to get rid of older objects before more recently accessed ones. I ... for its Level One (L1) object data cache. I disable the L2 cache and use 1 MB for the ObjectDB | |
Time Sequence Object Command DB We (www.s2ssystems.com) have a time-sequential object command database. I ... commands are generally used to trigger creation of transient objects. The database ... again that the database is not an object database, but rather a command database. You can of course think | |
em.flush(); em.clear(); loosing data and not persisting managed objects persisting modified objects to database. Sometimes it does other times it doesn't. database/issue/new com.objectdb.o.InternalException: null ... have direct access to that database to get the data directly. The code is stored on the file | |
Setting and Tuning of JPA Queries method chaining (by returning the query object on which they were invoked). Flush Mode (setFlushMode) Changes made to a database using an Object">find. However, query execution | |
JPA Lifecycle Events> - after storing a new entity in the database (during commit or flush).database. @PreUpdate@PostUpdate - after updating an entity in the database | |
ObjectDB Overview The ObjectDB Object Database ObjectDB is a powerful Object-Oriented ... Object-Oriented Database Management System (ODBMS). No proprietary API - managed only by ... Object Database Features for more details. | |
WHERE clause (JPQL / Criteria API). It is essential in any JPQL query that retrieves selective objects from the database. Out of the four optional ... of this query defines an iteration over all the Country objects in the database using the c ... with millions of objects in the database there is a huge difference in query execution time if proper | |
each 1-2 days objects on some objectdb level lock/block each other other. We only do pure select queries without any object manipulation in these threads hgzwicker Hans-Georg ... (0x00000000bc88c318) is related to reading from the database file using the new we are really with our back at the wall, the customer now urges to switch to another database. we try | |
What is the Java Persistence API (JPA)? with databases) is that in JPA data is represented by classes and objects rather than by tables ... the Java application (as classes and objects). ObjectDB is the only database management ... The Java Persistence API (JPA) is a standard API for accessing databases from | |
Which API should I use - JPA or JDO?>JDO might be preferred when portability to other object databases is more important than general portability to both object and relational databases. JPA is designated to be used mainly with relational databases. ObjectDB is the only object database that supports JPA. On the other hand, JDO |