Leading Telecommunications Organizations Substantiate Link Between
            Business Success and Data Warehouse RDBMS Performance

    DCI DATA WAREHOUSE CONFERENCE, ORLANDO, Fla., Feb. 25 /PRNewswire/ --Red
Brick(R) Systems, Inc. (Nasdaq: REDB), The Data Warehouse Company(TM), today
said its successful data warehouse customers in the telecommunications
industry affirm that database performance is the most critical factor for
success in data warehousing and through their own evaluations have
concluded that Red Brick is the data warehouse database performance leader.
    Red Brick maintains that one of the most consistent conclusions of
successful data warehouse users is the irrefutable link they make between
database performance and their organizations' ability to maximize quantifiable
business benefits from their data warehouse applications.
    Telecommunications companies require quick access to and management of
customer detail call records, billing information and marketing promotions in
order to remain competitive.  In such a hotly contested field, these companies
depend on a decision support system that can provide the right answers to
detailed queries in seconds.  Red Brick's relational database management
system designed specifically for data warehousing helps telecommunications
companies be smarter with their investment in technology, and show market and
innovation leadership with their customer retention programs.
    "Telecommunications companies have an incredible amount of customer call
record data to analyze," said Chris Erickson, president and CEO of Red Brick.
"Red Brick's superior performance in quickly loading and querying data gives
these companies significant advantages in developing new programs to attract
new business, while providing competitive service to existing customers."
    (See separate announcement about Red Brick's "Performance is
Everything(TM)" initiative announced today.) Red Brick data warehouse
customers in telecommunications include almost every long distance carrier,
several regional Bell operating companies (RBOCs) in various areas of the
country, as well as many personal communications service (PCS) and cellular
providers.  These customers are achieving very fast loading and querying
speeds while using Red Brick to analyze customer call detail and other
information.

    Data Warehousing in Telecommunications
    Industry requirements for data warehousing in telecommunications differ
greatly from other industries.  Telecommunications companies deploy specific
data warehouse-based business applications that help the companies maximize
customer profitability and return on investment.  This requires efficient
handling of massive amounts of legacy data very quickly.  Customer profiling,
for example, takes high priority in telecommunications' data warehouse
endeavors.  With a need to know more than just "who" their customers are,
telecommunications companies develop and integrate information about the most
profitable customers, who are most likely to churn and who are most desirable
to retain.  Armed with this information, these companies can bundle products,
services and incentives and target them towards appropriate classes of
customers.
    Red Brick provides the technology that addresses the data warehousing
needs of telecommunications.  A telecommunications data warehouse database
needs to support high volume and sustainable load rates with referential
integrity checking, as well as data and user scalability.  Red Brick Warehouse
specifically meets these requirements and helps companies to produce quality
applications, increase user productivity and lower their cost of ownership,
all leading to a significant return on investment.

    Aerial Communications, Inc.
    Aerial Communications, a PCS wireless communications provider, plans to
use Red Brick Warehouse to analyze and support its customer and demographic
data in order to better identify and market product offerings and service.
The data warehouse is expected to hold all of Aerial's customer data, fed
nightly from an on-line transaction processing (OLTP) system, and should reach
a terabyte in size by year-end 1997.
    Aerial Communications, Inc. (Nasdaq: AERL), headquartered in Chicago, has
licenses to provide PCS service in major trading areas covering 27.3 million
people.  Aerial is constructing networks using GSM technology for its PCS
markets, and intends to launch commercial service in the first quarter of
1997.
    "Red Brick's specialized data warehouse database is a perfect solution for
our decision support needs," said David McCarthy, vice president of
information technology at Aerial Communications.  "We evaluated a number of
other databases for the intense data analysis we will be doing, and Red Brick
was chosen for its superior technology and performance for our
telecommunications needs."

    BellSouth Telecommunications
    BellSouth Telecommunications, Inc. develops and manages customer programs
to entice new customers and to market additional products and services to
existing customers.  BellSouth relies on its data warehouse to quickly
and efficiently analyze its business and the success of its programs.
    "Red Brick Warehouse offers features that have allowed us to rapidly
develop applications to organize and analyze data," said Mark Torres, project
manager at BellSouth Interconnection Services.  "This capability has been
invaluable to our project."
    "We required a data warehouse database that could cost-effectively access
and house millions of pieces of data and then provide high-performance results
to complex ad hoc queries," said Matt Beyer of DB Advantage, data warehouse
consultant at BellSouth Corporate Marketing Information Systems.  "Red Brick
proved it was capable of high-performance loading and querying, in addition to
scalability and extended SQL functionality, and yet it requires minimal
maintenance."

    About Red Brick Systems, Inc.
    Red Brick Systems, Inc., based in Los Gatos, Calif., is the industry's
fastest growing database company and the leading provider of high-performance
relational database products for data warehousing.  Its flagship product, Red
Brick Warehouse 5.0, is the world's fastest and most scalable relational
database for data warehousing, including data marts, online analytical
processing (OLAP) and data mining.  Red Brick customers are successful because
the company's high-performance products and service enable more users to
analyze more data and make better decisions faster.
    Information about Red Brick is available on the World Wide Web at
http://www.redbrick.com.  News releases and corporate background information
may also be retrieved by fax. For an index of available materials, please call
800-758-5804, and enter PIN #105756.
    Red Brick and the Red Brick logo are registered trademarks, and The Data
Warehouse Company and Performance is Everything are trademarks of Red Brick
Systems, Inc. All other trademarks and registered trademarks are the property
of their respective holders.

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