About database

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Manual
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Database Explorer

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 ... to the Database Opening a Database Connection To open a local database file in embedded mode use the File > Open
Manual
138

Database Management Settings

The <database> configuration element specifies back end (database engine) settings ... <database> element: <database> database> The element
Manual
131

Database Doctor

database file Checks a given ObjectDB database file, verifies that it is healthy and valid ... of a corrupted ObjectDB database file Repairs a corrupted ObjectDB database file by creating a new fresh database file and then copying all the recoverable data in the corrupted database file to the new
Manual
124

Database Transaction Replayer

can apply recorded database operations on a matching database backup (if available). This ability is useful for two different purposes: It enables recovery from a database failure by replaying ... & Recording Files When recording is enabled, ObjectDB maintains for every database file a recording
Manual
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Database Server

ObjectDB Server is a tool that manages ObjectDB databases in a separate dedicated process, making these databases accessible to client applications in other processes including ones on other remote ... are: The ability to access and use databases from different processes simultaneously. The ability to access
Manual
101

Chapter 5 - Database Tools and Utilities

Describes the ObjectDB object database tools - the Explorer, the Server, the Enhancer, the Doctor and the Replayer.
Manual
93

Database Connection using JPA

A connection to a database is represented by an EntityManager instance, which also provides functionality for performing operations on a database. Many applications require multiple database connections ... database connection, using a separate EntityManager instance, for every HTTP request. The main role
Manual
92

Database Replication and Clustering

, the same database is managed on multiple machines (nodes), possibly in different geographic locations ... master-slave replication the master node manages the main (master) database, which supports Read / Write operations. The other (slave) nodes in the cluster manage identical copies of the same database
Result
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ObjectDB Object Database Features

support of the JPA and JDO APIs. Fundamental features of relational databases (e.g. primary keys, derived ... Databases are also supported by ObjectDB. The combination of Object Database features with Relational Database features brings you the best of both worlds. Capabilities & Scalability ObjectDB
FAQ
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What is ObjectDB?

ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard database management services (storage and retrieval, transactions, lock management, query processing ... objects (and graphs of objects) in an ObjectDB database directly. There's no need to define tables or