ObjectDB ObjectDB

Internal Website Search

11-20 of 40 resultsRefresh
15

Problem with distinct select, order by and equivalent alias/attribute path

when ordering the results of some projection when the order by expression is different (though logically ... . Your third query, although logically valid, is synthatically invalid: SELECT DISTINCT s.location ... are disabled, it will be your responsibility to avoid ORDER BY expressions that are also logically wrong
12

@Entity saved in Tomcat session - problem

is, that we need the same logic for temporary users (without storing in DB) and permanent users (stored in database). A separate POJO makes the whole logic quite complicated. Any thoughts on this? lwalkowski
12

Attempt to open a non existing file '/tmp/objectdb_xxxx/SortQueryItr_6.mrg'

to the other processes? I think it will help deciding whether the cause is due to a problem in the logic of 1/ or in the logic of 2/ Thanks again EKK Emmanuel Keskes Every instance of ObjectDB (usually a separate
12

ObjectDB Server Connection Permissions

when providing specific raw data where additional business logic is not required. I suppose you could create transient entities for data that does require additional business logic
12

ObjectDB within a resource adapter module and Java EE Connector Architecture

a logical path with a parameter (similar to $objectdb in the url) with a value from a system property ... with CoreEJB module) CoreEJB     (has the persistence.xml, CRUD ops and business logic ops) CoreWeb
9

Can't modify @EmbeddedId in ObjectDB Explorer

, rather than writing special logic when you need just a small modification. It's a habit from RDBMS
9

Pessimestic Locking doesn't release when application unexpectedly terminates.

connection with some delay seems logical, and hopefully could be implemented in
9

Possible issue with String fields

to the Java world. Objectdb seems a logical choice to me if we can get it working .. Can anyone help
2

Add Type level permissions to ObjectDB Server

when providing specific raw data where additional business logic is not required. I suppose you could create transient entities for data that does require additional business logic though. ThreaT
0

javax.jdo.InstanceCallbacks

the enhancer so that fields referenced can be used in the business logic of the method. Since: JDO 2.0 void

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support