5 | drop a column from tableHi, I want to drop one column from my database table suppose i have 3 column (id, name, address) now i want to drop address. then what will be the query or procedure.. Bimal Bimal kumar dalei Just remove the field from the entity class. See Automatic Schema Evolution. Space in the database file |
5 | @ElementCollection of type enum are more efficient than strings (take less storage space and faster to save and load). You can easily solve |
5 | Server closes if large query runs out of memory space in any scenario. Regarding a query that returns too many objects, consider limiting the number |
5 | Eclipse plugin problem (using ObjectDB as a separate bundle) is - it seems that you have an extra space after the 'a' in java which is not allowed. >> Alternatively, I could import the project |
5 | Performance tuning, best practices directories="5" files="20" disk-space="5mb" /> </dir> </user> <user username="user1" password="user1 |
5 | @MappedSuperclass and @Transient not working as I expected entity classes) do not store data just schema. Usually data in ObjectDB consumes much less space than the same data in a JPA/RDBMS combination. support Support |
5 | 100% CPU when using multiple BETWEEN so on DB with 2800 records) throws a "java.lang.OutOfMemoryError: Java heap space" exception. Emil |
1 | ObjectDB 2.3.0). Improved persisting byte[] by reducing required storage space. Removed a shutdown hook that leads |
1 | ODB-FileWriter holds unecessary entity reference after transaction and entity manager are closed space limitations. Why the entity DBVectorStepBlockCollectionImpl is still hold by ObjectDB? Best wishes |
1 | Error during closing an entity manager here with this issue and not with issue #2089, which has a separate space. Apparently the new build |
