Home » Search

About Object Database

131-140 of 200Refresh
Forum
9

How force always recreate database on redeployment.

Is there some easy way to force recreation/deletion of the current database on deployment of a web ... . Currently, to avoid multiple models in the database, I have to undeploy from Glassfish, stop the server, delete the database file, re-start the objectdb server, re-run the web app, which is tedious
Forum
9

removed objects stay with null field values in the reference

from the database, even if the object is not removed from the set explicitly. just to make sure ... is still in the database and loaded by a subsequent lazy loading ? No, after deleting an object it does not exist in the database anymore. But you may still have broken references to that object, like links to a web page that doesn't exist. hgzwicker
Forum
9

GWT RPC is throwing serialization exception when I have object db date value

. But in the database it seems to be stored a a objectdb.* type. Persisting new objects ... its Class object could not be loaded. For security purposes, this type will not be serialized.: instance ... for all of mine Data Transfer Object. But still I am getting this error. Note: (In gwt RPC you cannot use
Forum
9

Storing Images and Object Pooling

an image database. ObjectDB includes many types of cache mechanisms, including object pooling. To use ... Hello we have heard your product and we will plan to use your product on image database. Is it good to use ObjectDB as image database? Image database just screenshots of desktops.   2- ) On JPA as
Forum
9

Refresh data in application after database data has changed

Hi, I have a Java program that can manage and create some Person objects. When I start my application and I want to add a person with the same national number as a person already in the database, my program has to block the creation. So far so good. Now... I have a person in my database
Forum
9

Database size is much larger than expected (x2)

problem if the images are very large - try commit every 256 images. The database size ... the message #2 mentioned. >>The database size should be larger than the size of the image files on the file ...     } } The result database size is about 3GB as expected. Another thing to check in your code
Forum
9

Removing objects where ManyToMany relationships exist

well enough, even if there's millions of Entity and OtherEntity objects in the database, and ten-thousands ... setOfOtherEntities;   } Now consider a number of OtherEntities are removed from the database. What happens with the numerous TreeSets for all the existing Entities in the database? Are OtherEntities
Issue
9

Cannot insert more than about 2^20 objects

Hi I have a DB with 4 entities and a total of 4 index. Once I reach 1048565 total objects in the whole DB, i am unable to insert more object, although i get NO error message nor exceptions. Doctor said Db is fine (see below) I notice that 1048565 objects + 4 entities + 4 ID indexes + 4
Forum
9

Shrinking Database Files

context to propose an answer.) ObjectDB reuses space of deleted objects but the database ... never shrinks when large number of objects are deleted and the only way to reclaim that space would be with Database Doctor. Is there a way to reclaim database file space? Is it worth trying to reclaim
Forum
8

Storing objects problem

I want to save this object to database: @Entity public class Device {     private String name ... for that children devices and they don't have their children devices. I'm new to this object database so I ... > children; } An object contains a list of other devices which are also type Device. My root device