The Leading Object Database Management System For Enterprise Objects.
Today's successful enterprises understand the strategic necessity to manage information resources properly. As such, the demand for advanced information management technology is greater than ever before. Hitachi is responsive to
this demand and poised to provide advanced technologies.
Hitachi ODB is an object database management system that capably handles the requirements for intelligent business application.
Hitachi ODB provides the performance required for both routine and complex business system.
Complex applications might be systems for managing documents and workflow throughout a large enterprise utilizing client/server network.
- -High volume/high performance
- -Flexible data modeling
- -High level administration
- -Value added applications
- -Global cache on the server
- Hitachi ODB server inputs/outputs data to/from a disk by pages through Global cache.
- -Resident Object on server
- Hitachi ODB server can make the objects resident on the server.
- -Selected Collection on the server
- The Hitachi ODB server makes a selected collection that is a result of an OQL request as a temporary set of objects.
- -Blocking Object
- The Hitachi ODB server transfers a blocking object that is a part of a selected collection to a client.
- -Client cache
- Client cache is an object cache through which the User Application Program accesses an object indirectly from the database.
- -Concurrent access
- A service process exists on a server for each client. The service concurrently accesses a global cache and gets a lock by a unit of an object.
- -Deferred write
- -Flexible data space management technology
- Extensible by any unit (file, area, segment, page).
- -Based upon ODMG Object Model
- -Hitachi original "Universal relationship"
- Easy to create DB schema which describe the model's design with OMT or ER model.
- Easy to add new relationship between previously designed types without type redefinition.
- -Database compaction
- -Database reconstruction
- -Recovery via logged journal
- -Backup/Restore
- -API for Server application program
- The Hitachi Document management system and Workflow management system are fully integrated with Hitachi ODB by using this API.
- -Schema/Object Browser
- -Automatic C++ header generator
- -Performance data collection and reporting
- -C++
- -OQL (Object Query Language)
- -Server
- HP (HP-UX)
- PC (Windows NT)
- Sun (Solaris) (planned)
- -Client
- PC(Windows NT, Windows 95)
- -Document Management
- -Workflow Management
- -Multimedia Application
- -Financial Service Application
- -Product Management
- -Engineering
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WRITTEN BY SOFTWARE DIVISION & SOFTWARE DEVELOPMENT DIVISION
Please send your comments and/or questions on HitachiOpen Middleware to WWW-mdc@soft.hitachi.co.jp
