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Tutorial
2

Step 4: Run the Application

) When you run the application for the first time, a new ObjectDB database file is generated in
Tutorial
2

Step 4: Run the Application

for the first time, a new ObjectDB database file is generated in the db subdirectory under the ObjectDB
Manual
2

WHERE clause (JPQL / Criteria API)

difference in query execution time if proper indexes are defined. WHERE Filter in Multi Variable Queries In
Manual
2

Obtaining a JPA Database Connection

every thread usually has its own EntityManager instance while at the same time sharing a single
Forum
2

evictAll() behavior

(L1) cache. But evictAll does not affect objects that have been changed by the current ... . To undo changes of the current PersistenceManager you will have to invoke pm.refreshAll ... does not affect objects that have been changed by the current PersistenceManager" Cool, that is exactly
JDO Doc
2

javax.jdo.datastore.Sequence

of additional values to allocate Since: JDO 2.0 Object current() Returns the current sequence value object if it is available. Returns the current sequence value object if it is available. It is intended to return a sequence value object previously used. If the current sequence value is not available, throw
JDO Doc
2

javax.jdo.spi.StateInterrogation

the application or the data store, then the ObjectId returned is only valid within the current ... instance has been deleted. Instances that have been deleted in the current transaction return Boolean ... if the parameter instance was deleted in the current transaction. Since: JDO 2.0
JPA Doc
2

javax.persistence.EntityTransaction

- if isActive() is true Since: JPA 1.0 void commit() Commit the current resource transaction, writing any unflushed changes to the database. Commit the current resource transaction, writing any ... - if the commit fails Since: JPA 1.0 boolean getRollbackOnly() Determine whether the current
Forum
2

Optimization Question

a period of time where the current set of data is incorrect.  I could do some synchronization between ... One of our uses for your ObjectDB software is in maintaining the current state of a large number of data objects called tracks. These tracks change very frequently over time (every 10-15 seconds
Issue
2

Use temporary files to enable very large transactions

the current transaction after creation. Unfortunately, we will receive an OutOfMemory exception ... for many activities (e.g. processing large query results), currently the size of a transaction (i.e ... size). However, if you are interested in a quick solution, we may be able to increase the current