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ObjectDB Database Explorer is a visual GUI tool for managing ObjectDB databases. It can be used to view data in ObjectDB databases, execute JPQL and JDOQL queries and edit the content of databases ... the paths to the objectdb.jarfile and to the JVM). Connecting to the Database

. Fundamental features of relational databases (e.g. primary keys, derived attributes, grouping queries and aggregate queries) which are usually missing from Object Oriented Databases are also supported by ObjectDB. The combination of Object Database features with Relational Database features brings

The <database> configuration element specifies back end (database engine ... contains the following <database> element: <database ... ;/database>

> Overview A connection to a database is represented by an database. Many applications require multiple database connections ... database connection, using a separate EntityManager instance, for every HTTP request.

, the same database is managed on multiple machines (nodes), possibly in different geographic ... . In master-slave replication, the master node manages the main (master) database, which supports ... database, which are limited to READ operations. Any update to the master database is automatically

and validation of an ObjectDB database file Checks a given ObjectDB database file, verifies ... report of all the errors. Repair of a corrupted ObjectDB database file Repairs a corrupted ObjectDB database file by creating a new fresh database file and then copying

, that represents a JPA connection to the object database, we can use it to store, retrieve, update and delete database objects. Storing New Entity Objects The following code fragment stores 1,000 Point objects in the database:

In JPA a database connection is represented by the EntityManager interface. Therefore, in order to manipulate an ObjectDB database we need an EntityManager instance. Operations that modify database content also require an

. Recording is enabled by default and can be disabled in the database#the_recording_element">configuration. The ObjectDB Replayer tool can apply recorded database operations on a matching database backup (if available). This ability is useful for two different

  Boost your application database performance. Database performance is critical as it is the bottleneck in ... a relational database management system (RDBMS) to store and retrieve Java objects requires slow