ObjectDB ObjectDB

Internal Website Search

71-80 of 138 resultsRefresh

mappedSuperClass and subClass Duplicates

However, it appears that the super classes in the explorer count toward the ten (10) table limit for the free ... , DataNucleus, etc.). Accordingly, a mapped superclass is counted as an entity class. support Support

Index causes increased memory usage

have to take a look at the database file count Monday as well. According to the documentation ... - On another note, we are working with an 8-core processor. The recommended thread count

Using the wrong class to access a database

(); } static void retrieve(EntityManager em) { // 1 Query q1 = em.createQuery("SELECT COUNT(p) FROM ... a second time, the count is zero and the average is null. - the first app cannot add points anymore

Help with 'not like/lower' query

Criteria with a combination of LOWER/UPPER - NOT LIKE: SELECT COUNT($1.id) FROM User $1 WHERE ($1.owningCompany=:p1) AND LOWER($1.email) NOT LIKE :p2 So in essence, I'm trying to do a count

Replication error - parsing objectdb config

and then attempts to count the number of Points using a connection to the slave database ... replicatedQuery = replicatedManager.createQuery("SELECT COUNT(p) FROM Point p"); System.out.println

Out of memory

total object count: 3624395444842555492 (expected 3096704) [4] Unexpected total page count

Clarification on free license restrictions

unrestricted numbers of embeddable classes? Do embeddable classes count as part of the ten? I assume not ... are count as entity classes but other serializable classes are unlimited

Query perfromance problem

. Anyway, one of my methods in DAO looks like this:  public List<Product> list(int start, int count, String ... ).setMaxResults(count).getResultList();    logger.debug("Query executed");   } catch

Unexpected error when loading all entity instance

object count: 1041631 (expected 1041630) BTree Value Errors ------------------ [1] com.mvolution.domain.entities.misc.LogEntry   - Unexpected object count: 773 (actual 772) Page Relation

Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer

------------------- [1] Unexpected total object count: 56960598 (expected 56960597) BTree Value Errors ------------------ [1] com.agile.hummingbird.ObjectProperty - Unexpected object count: 49830620 (actual 49830619) Page

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