CLARiiON JOINS FORCES WITH ORACLE AND NEC TO BUILD MULTI TERABYTE DATA
WAREHOUSE; DEMONSTRATES ORACLE TEST-TO SCALE PROGRAM

2.5-TERABYTE CLARIION RAID 5 DECISION SUPPORT SOLUTION IS LARGEST FOR
JAPANESE KANJI CHARACTER SET; UNCOMPROMISED PERFORMANCE AND AVAILABILITY
-- LESS EXPENSIVELY

Southboro, Mass., January 16, 1996 -- The CLARiiON Business Unit of Data
General Corp., announced today it has joined forces with two of the
world's largest open systems companies, Oracle Corp. and NEC Corp., to
demonstrate a 2.5-terabyte decision support solution (DSS) to thousands
attending Oracle Open World in Makuhari, Japan. Using standard
technologies, the three industry-leading vendors have built a
world-record-size commercially configured data warehouse for Japanese
Kanji character set data.

The data warehouse showcases the Oracle Test-to-Scale Program, a project
designed to validate the capability of the Oracle Universal Database and a
hardware platform to support a terabyte-scale data warehouse. The
Test-to-Scale Program shows how open systems vendors are not only capable
of supporting very large data warehouses, but are also committed to
working together to provide complete data warehousing solutions.

The 2.5 terabyte data warehouse with Japanese Kanji character set data
consists of the CLARiiON RAID 5 storage system, the Oracle Universal
Database with parallel query options, and an NEC eight-way Unix SMP
system. A terabyte is equal to one trillion characters - the equivalent of
500 million pages of text or approximately 40,000 four-drawer filing
cabinets of information.

"We are pleased to participate in this test-to-scale exercise with our
partners Oracle and NEC," said Larry Hemmerich, Vice President and General
Manager of the CLARiiON Business Unit. "We wanted an opportunity to
demonstrate the value that CLARiiON engineering can bring to DSS customers
around the world. RAID 5-based solutions are a cost-effective way to
implement large scale data storage systems. Demonstrating a variety of
successful approaches to data warehousing proves to customers that this
exciting new technology is ready and able to provide their business with a
competitive edge today."

"We are very excited to have an opportunity to showcase NEC's technology
leadership and commitment for the very large data warehouse market," said
Hiroshi Hatta, Vice President, NEC Corp. "Combined with NEC's broad
expertise in large scale systems integration, NEC can now offer a very
cost effective alternative for our customers looking for a large data
warehouse solution."

"We are witnessing tremendous growth for data warehousing in Asia. The team
effort of Oracle, CLARiiON, and NEC will provide the technology for this
burgeoning market," said Takaaki Nagayama, General Manager, Oracle's NEC
Products Division. "It is very significant that we have implemented a data
warehouse in multi-byte data capable of supporting a variety of Asian
characters."

The data warehouse was created and stress-tested by a team comprising
technical experts from the three companies. This effort requires close
teamwork for project definition, resource allocation and implementation.
Lead teams were assembled for the technical execution of the test-
to-scale project which spanned the geographical locations of Westboro,
Mass., Redwood Shores, Calif. and Tokyo where the database was created at
NEC's Computer Group Development Center.

First, the CLARiiON-Oracle-NEC team created a 1.3 terabyte relational
database and managed the database load operation. This database
incorporates approximately 6 billion line item rows. Over several days,
the database and pointers were loaded onto eight CLARiiON disk array
subsystems, each supporting over 300 million bytes of data. The aggregate
size of the data warehouse including the spaces for indexes and temporary
working areas amounted to 2.5 terabytes. The database is being exercised
and stress-tested on an eight-way NEC UP4800 SMP system, running NEC/UX
11.4 operating system. The stress test involved load and query exercises
as well as, data placement on storage devices. The use of hardware and
data redundancy simulated a mission critical operation.

The Test-to-Scale Program was run using the Oracle Universal Database,
which extends the flagship software's unparalleled performance,
scalability, and functionality for data warehousing applications. Oracle
Universal Database incorporates sophisticated features for parallel-aware
optimization, bit-mapped index queries, unlimited star queries, adaptive
parallel queries and parallel hash joins, making it the industry's most
comprehensive set of database functionality to serve as the foundation for
customers' data warehousing applications.

The terabyte data warehouse validates the scalability of the Oracle
Universal Database on NEC/UX 11.4 in very large DSS environments,
including high-speed data access to and from the CLARiiON disk array
systems. DSS environments are important in all industries where large
quantities of data must be maintained, consolidated, cross-referenced, and
retrieved. Data warehousing offers competitive advantages to
forward-thinking IT organizations who apply the technology to drive
critical business decisions. CLARiiON disk subsystems provide the high
performance and data availability required by commercial applications
through RAID 5 disk striping supported by flexible read/write caching.
RAID 5 technology realized a 45 percent reduction in the amount of disk
storage (a 2 terabyte reduction) needed to achieve the same level of
availability offered by disk mirroring technology, also known as RAID 1.

Industries such as telecommunications, financial services, manufacturing,
transportation, insurance, retail, and government will all benefit from
this DSS exercise; which proves that large-scale data warehousing can be
implemented with standard, open products. Although the test- to-scale
exercise by Oracle, NEC and CLARiiON targets the high-end of current
market requirements, data warehousing can also be implemented successfully
in a broad range of configurations. DSS customers can design modular data
warehouses with products from CLARiiON, Oracle, and NEC.

CLARiiON and NEC will each use their findings to optimize intelligent
storage and processor hardware and software, for large-scale efforts. All
three companies view the test-to-scale project as the first step in an
ongoing commitment to evolving DSS solutions.

CLARiiON is a business unit of Data General Corporation; an open systems
company that specializes in providing servers, storage systems, and
services to information technology users worldwide. The company, with
headquarters in Westboro, Massachusetts USA, reported revenue of $1.2
billion in fiscal year 1995. Additional information on the company, its
products, and its services is available on the World Wide Web at
http://www.dg.com.

Oracle Corp., a $3 billion company, is the world's largest supplier of
software for information management, and the world's second largest
software company. The company offers its database, tools and application
products along with related consulting, education and support services, in
more than 90 countries around the world. For more information, call (415)
506-7000. Oracle's World Wide Web address is http://www.oracle.com/.

The Oracle Universal database can manage and deliver any type of data
--relational, spatial, text, audio/video, and Web -- to any application,
of any size, anywhere within a corporate enterprise. The Oracle Universal
Database scales from gigabytes to terabytes of information and delivers
superior support for enterprise-class data warehousing, systems management
and on-line transaction processing (OLTO) systems.

NEC Corporation, founded in 1899, is headquartered in Tokyo, Japan and had
net sales of $43 billion (US) in the 1994-5 fiscal year. NEC manufactures
and markets a broad range of products, including computer systems;
communications systems, which extends from switching systems to cellular
phones; and electronic devices, which extends from microprocessors to
memory chips.

Press Contacts

Kathy Ficaro, CLARiiON, 508/480-7196
Stephen Berger, Oracle Corp., 415/506-2700
Jim Dunlap, Data General, 508/898-6546
George Goldman, Edelman Public Relations, 212/704-4440
 
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