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Manual
7

UPDATE SET Queries in JPA/JPQL

queries can only be executed within an active transaction and the changes are visible to other users
Result
7

What is new in ObjectDB 2.0?

ObjectDB 2.0 supports many new features and improvements, including: Most of the features of the new JPA 2.0 and JDO 2.2 APIs. User defined IDs (primary key) and sequences. Support of unlimited index keys size. SQL like queries ("select from ... where ..."). Real non blocking multithreading in
Manual
7

Working with JPA Entity Objects

Entity objects are in-memory instances of entity classes (persistable user defined classes), which can represent physical objects in the database. Managing an ObjectDB Object Database using JPA requires using entity objects for many operations, including storing, retrieving, updating and deleting
Result
7

Eclipse Public License - v 1.0

may accept certain responsibilities with respect to end users, business partners and the like
Result
7

Upgrade from ObjectDB 1.0

The following pages should be read by ObjectDB 1.0 users: If you need help in upgrading your application from version 1.0 to version 2.0 - please feel free to contact ObjectDB Support.
JPA Doc
7

JPA Queries

only at runtime (e.g. depending on which fields are filled by a user in a form) can be done by
JDO Doc
6

javax.jdo.PersistenceManager

: the user object associated with this PersistenceManager Since: JDO 1.0 See Also: setUserObject Object getUserObject(Object key) Get the value for the specified key from the map of user objects. Get the value for the specified key from the map of user objects. Parameters: key - the key of the object
JDO Doc
5

javax.jdo.PersistenceManagerFactory

store connection. Since: JDO 1.0 String getConnectionUserName() Get the user name for the data store connection. Get the user name for the data store connection. Returns: the user name for the data ... void setConnectionUserName(String userName) Set the user name for the data store connection. Set
JDO Doc
5

javax.jdo.Transaction

and completion of transactions under user control. It is a sub-interface of the PersistenceManager that deals ... Synchronization getSynchronization() The user-specified Synchronization instance for this Transaction instance. The user-specified Synchronization instance for this Transaction instance. Returns: the user
JDO Doc
4

javax.jdo.Query

given. They return a single instance or a List of result class instances which the user can iterate ... which must be cast to the appropriate result by the user. Any parameters passed to the execute methods are used ... expression evaluates to true. The user may denote uniqueness in the filter expression by explicitly