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What is Cognos Powerhouse and what is it used for?
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Answer Posted / bob edis
Cognos PowerHouse (4GL, Web, Axiant) is an Application
Development tool. It was Cognos' main bread&butter product
prior to BI tools beconing so popular. It's hayday was in
the 1990's as it was for most 4GLs. 4GLs went out of focus
for most IT depts when Java became king of the programming
languages.
This is not to say 4GLs are irrelavent. They posess
attributes which still make them the faster method of
delivering robust, data driven business applications in a
much shorter time than OOP/3GLs.
PowerHouse uses a data dictionary (similar to the meta data
repository used by Cognos 8 BI) so programmers don't have
deal with file/table handling and discovering data
definitions. It comes in three flavours - terminal based,
client-server (Axiant) and web. There is a report writing
tool (Quiz, Cognos' original product when it started as
Quasar in 1969), form generator (Quick), and a transaction
processor (QTP).
PowerHouse Web is a very good solution for data warehouse
implmentations that need to maintain reference data not
found elsewhere and therefore cannot be sourced using an
ETL process. It is multi-platform (UNIX, Windows, OpenVMS,
MVS, etc) and very scalable.
Cognos Transformer originally used PowerHouse technology
and some of it has found its way into other Cognos tools.
I believe Cognos should merge the data dictionary
components of PowerHouse and Cognos 8 BI so that the tools
can be integrated better.
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